Hampton HR2-603 Polyethylene glycol 400

Hampton HR2-603 Polyethylene glycol 400

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Optimize Reagents > Optimize – Polymers > Polyethylene glycol 400

应用

  • 结晶级聚乙二醇400用于筛选或优化

描述

聚乙二醇400

APPLICATIONS

  • Crystallization grade Polyethylene glycol 400 for formulating screens or for optimization

DESCRIPTION

Polyethylene glycol 400

HR2-603 100% Polyethylene glycol 400 200 mL

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

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Optimize Reagents > Optimize – Oils for Crystallization > Paraffin & Silicon Oil

Applications  应用
Microbatch crystallization    microbatch 结晶
Features  特征
Under oil crystallization 在油中结晶
Protect the sample from oxidation  保护样品免于氧化
Screen different temperatures without condensation   屏幕不同温度下不凝结
Description   描述 
Oils used for microbatch and modified microbatch crystallization under oil.

使用的油和改性 microbatch microbatch 结晶油。

Al’s Oil is a 50:50 (volume:volume) mixture of Paraffin Oil and Silicon Oil. Al’s Oil is named after it’s inventor, Allan D’Arcy.

Al 是机油的 50 ∶ 50 (体积 ∶ 体积) 混合物的石蜡油和硅油。Al 的石油是其发明者的名字命名 , Allan D ‘Arcy) 。

Paraffin oil
Synonym: Mineral oil
CAS Number [8042-47-5]
EC Number 232-455-8
RTECS PY8047000
MDL Number MFCD00131611
Appearance Colorless, clear, viscous liquid
Refractive Index n20/D 1.467 (literature) n20/D 1.468
IR Spectroscopy Grade
Density 0.838 g/mL at 25°C (literature) 0.85 g/ml at 20°C
Viscosity 40-42 CST at 25°C

Silicon Oil 
Synonyms: Octamethyltrisiloxane
CAS Number: 107-51-7
Appearance: Colorless, clear viscous liquid
Melting Point: -86°C
Boiling Point: 152°C
Refractive Index: 1.38 at 25°C
Viscosity: 1 CST at 25°C
Specific Gravity: 0.82 at 25°C
Density: 0.82 g/mL at 25°C
Surface Tension: 17.4 mN/m

Hampton 石蜡和硅润滑油Paraffin & Silicon Oil

CAT NO NAME DESCRIPTION
HR3-411 Paraffin Oil 100% – 250 ml
HR3-421 Paraffin Oil 100% – 1 L
HR3-415 Silicon Oil 100% – 250 ml
HR3-423 Silicon Oil 100% – 1 L
HR3-413 Al’s Oil (50:50 Paraffin:Silicon) – 250 ml
HR3-417 Combo Oil Pack (Paraffin, Al’s, & Silicon Oil) – 250 ml of each

图片仅供参考,请以实物为准。
正文中列出的所有试剂只能用于测试或研究,不能作为”药品”,”食品”,”家庭用品”等使用。
我司所销售的化学试剂、原料等所有产品(包括但不限于抗生素类、蛋白质类、试剂盒类产品等)仅限用于科学研究用途,不得作用于人体。

Hampton Optimize Reagents

Hampton Optimize Reagents

1、Optimize – Polymers

Crystallization grade polymers for formulating screens or optimization

2、Optimize – Organics (Volatile)

Crystallization grade organics (volatile) for formulating screens or optimization

3、Optimize – Organics (Non-Volatile)

Crystallization grade organics (non-volatile) for formulating screens or optimization

4、Optimize – Salts

Crystallization grade salts for formulating screens or optimization

5、Optimize – Buffers

Crystallization grade buffers for formulating screens or optimization

6、Optimize – Solubilizing Agents (NDSB)

Crystallization grade non detergent sulfobetaines

7、Optimize – Reducing Agent

TCEP Hydrochloride

8、Optimize – Monoolein

LCP – Lipidic Cubic Phase

9、Optimize – Cryoprotectants

For cryoprotection of crystals

10、Optimize – Oils for Crystallization

Microbatch crystallization & oil layering

11、Optimize – Izit Crystal Dye

Izit™ color dye to differentiate protein crystals from salt crystals

Hampton HR2-515 聚乙二醇8,000 Polyethylene glycol 8,000

Hampton HR2-515 聚乙二醇8,000 Polyethylene glycol 8,000

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Optimize Reagents > Optimize – Polymers > Polyethylene glycol 8,000

APPLICATIONS

  • Crystallization grade Polyethylene glycol 8,000 for formulating screens or for optimization

FEATURES

  •  Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

DESCRIPTION

Polyethylene glycol 8,000

Synonyms: PEG 8,000
H(OCH2CH2)nOH
Mr 7,000 – 9,000
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
RTECS TQ4105000
MDL Number MFCD00081839
PubChem Substance ID 24887728

HR2-535 Measured Conductivity Range: 27.3 – 39.3 µS/cm at 25°C
HR2-535 Measured Refractive Index Range: 1.40195 – 1.40261 at 20°C

DNases: none detected
RNases: none detected
Proteases: none detected
Phosphatases: none detected
Aldehyde none detected
Peroxides (as H2O2) ≤0.001%

Al  ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl  ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe ≤0.0005%
K  ≤0.02%
Li  ≤0.0005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.02%
Ni ≤0.0005%
Pb ≤0.0005%
SO4 ≤0.005%
Sr ≤0.0005%
Zn ≤0.0005%

应用

  • 结晶级聚乙二醇8,000用于筛选或优化

特征

  • 无菌过滤液
  • 在1+超纯水中配制:在25°C下电阻率为18.2兆,总有机碳<5 ppb,无细菌(<1细菌(CFU/ml)),无热原(<0.03内毒素(EU/ml)),无RNase(<0.01 ng/mL)和无DNase(<4 pg/L)

描述

聚乙二醇8,000

同义词:PEG 8,000
H(Och)22)n
Mr 7,000 – 9,000
核证机关编号[25322-68-3]
教统会编号500-038-2
默克14,7568
RTECS TQ 4105000
MDL号码MFCD 00081839
PubChem物质ID 24887728

HR2-535测量电导率范围:27.3-39.3西米/厘米,25°C
HR2-535测量折射率范围:1.40195~1.40261℃,20°C

DNases:没有检测到
RNases:无检测到
蛋白酶:无发现
磷酸酶:没有检测到
醛无检出
过氧化物(As H)2O2)≤0.001%

Al≤0.0005%
AS≤0.00001%
BA≤0.0005%
Bi≤0.0005%
CA≤0.001%
CD≤0.0005%
CL≤0.005%
CO≤0.0005%
Cr≤0.0005%
Cu≤0.0005%
Fe≤0.0005%
K≤0.02%
Li≤0.0005%
Mg≤0.0005%
Mn≤0.0005%
Mo≤0.0005%
NA≤0.02%
Ni≤0.0005%
PB≤0.0005%
所以4≤0.005%
Sr≤0.0005%
Zn≤0.0005%

HR2-515 Polyethylene glycol 8,000 500 grams
HR2-515 Polyethylene glycol 8,000 500 grams

Hampton HR2-591 Polyethylene glycol 3,350 Monodisperse

Hampton HR2-591 Polyethylene glycol 3,350 Monodisperse

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Optimize Reagents > Optimize – Polymers > Polyethylene glycol 3,350 Monodisperse

APPLICATIONS

  • Crystallization Polyethylene glycol 3,350 for formulating screens or for optimization

FEATURES

  •  Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

DESCRIPTION

United States Pharmacopeia (USP)/National Formulary (NF), Pharmacopoea Europaea (Ph. Eur.), and Food Chemicals Codex (FCC) grade PEG 3350. For research use only. Not for diagnostic use.

Polyethylene glycol 3,350
Synonyms: PEG 3,350
H(OCH2CH2)nOH
Average Mr 3015-3685
CAS Number [25322-68-3]
EC Number 500-038-2
Merck 14,7568
MDL Number MFCD00081839
PubChem Substance ID 24898432
Polydispersity Index 1.05-1.10 (Polydispersity is a measure of the molecular weight distribution of a polymer. It is equal to Mw/Mn. That is to say, “weight-average molecular weight” divided by “number average molecular weight”.)

Aldehyde: None detected
Peroxide: None detected

聚乙二醇3,350单分散

应用

  • 结晶聚乙二醇3,350用于筛选或优化

特征

  • 无菌过滤液
  • 在1+超纯水中配制:在25°C下电阻率为18.2兆,总有机碳<5 ppb,无细菌(<1细菌(CFU/ml)),无热原(<0.03内毒素(EU/ml)),无RNase(<0.01 ng/mL)和无DNase(<4 pg/L)

描述

美国药典(USP)/国家配方集(NF)、欧洲药典(Ph.EUR.)和食品化学品法典(FCC)级PEG 3350。只供研究用。不是用来诊断的。

聚乙二醇3,350
同义词:PEG 3,350
H(Och)22)n
平均Mr 3015-3685
核证机关编号[25322-68-3]
教统会编号500-038-2
默克14,7568
MDL号码MFCD 00081839
PubChem物质ID 24898432
多分散性指数1.05~1.10(多分散性是衡量聚合物分子量分布的指标。它等于Mw/Mn。也就是说,“重量-平均分子量”除以“数平均分子量”)。

醛:没有检测到
过氧化物:没有检测到

HR2-527测量电导率范围:44.0-55.1 S/cm,25°C
HR2-527测量折射率范围:1.40137~1.40213℃,20°C

HR2-527 Measured Conductivity Range: 44.0 – 55.1 µS/cm at 25°C
HR2-527 Measured Refractive Index Range: 1.40137 – 1.40213 at 20°C

 

Hampton Polyethylene glycol monomethyl ether 550

Hampton Polyethylene glycol monomethyl ether 550

Hampton research蛋白结晶试剂代理–上海金畔生物
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聚乙二醇单甲醚550

Optimize Reagents > Optimize – Polymers > Polyethylene glycol monomethyl ether 550

APPLICATIONS

  • Crystallization grade Polyethylene glycol monomethyl ether 550 for formulating screens or for optimization

DESCRIPTION

Polyethylene glycol monomethyl ether 550

Synonyms: Methoxypolyethylene glycol, mono-Methyl polyethylene glycol, Methoxy poly(ethylene glycol), PEG MME 550, MPEG
CH3O(CH2CH2O)nH
Average Mn ~550
CAS Number [9004-74-4]
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
Purity ≥100%
Melting Point (Starting Material) 20.0°C (lit.)

Aldehyde None detected
Peroxide None detected

Measured Conductivity Range: 0.0 – 1.0 µS/cm at 25°C
Measured Refractive Index Range: 1.46185 – 1.46361 at 20°C

May become highly viscous, develop amorphous, crystalline precipitate, or take on a gel like consistency at temperatures below 20 degrees Celsius. Warm product to 60 degrees Celsius for up to 24 hours, mix well, to dissolve amorphous, crystalline precipitate.

应用

  • 结晶级聚乙二醇单甲醚550用于筛选或优化

描述

聚乙二醇单甲醚550

同义词:甲氧基聚乙二醇,单甲基聚乙二醇,甲氧基聚乙二醇,聚乙二醇,聚乙二醇550,聚乙二醇
3O(总)22o)nH
平均Mn ~550
核证机关编号[9004-74-4]
欧共体编号215-801-2
RTECS PE 8271000
MDL号码MFCD00084416
纯度≥100%
熔点(原料)20.0℃(发光)

醛无检出
过氧化物无检出

测量电导率范围:0.0-1.0毫微秒/厘米,25°C
测量折射率范围:1.46185~1.46361℃,20°C

在摄氏20度以下的温度下,可能会变得粘稠,形成无定形的晶态沉淀,或形成类似凝胶的稠度。产品加热至摄氏60度,可达24小时,拌匀后,可溶解无定形、晶态沉淀。

HR2-611 100% Polyethylene glycol monomethyl ether 550 200 mL

HR2-611 100% Polyethylene glycol monomethyl ether 550 200 mL

Hampton HR2-613 聚乙二醇单甲醚2,000

Hampton HR2-613 聚乙二醇单甲醚2,000

Hampton HR2-613 50% w/v Polyethylene glycol monomethyl ether 2,000
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Optimize Reagents > Optimize – Polymers > Polyethylene glycol monomethyl ether 2,000

APPLICATIONS

  • Crystallization grade Polyethylene glycol monomethyl ether 2,000 for formulating screens or for optimization

FEATURES

  •  Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

DESCRIPTION

Polyethylene glycol monomethyl ether 2,000

Synonyms: Methoxy poly(ethylene glycol) 2,000 or mono-Methyl polyethylene glycol 2,000 or PEG MME 2,000, or MPEG
CH3O(CH2CH2O)nH
Formula Weight (Mw) ~ 2,000
CAS Number [9004-74-4]
EC Number 215-801-2
RTECS PE8271000
MDL Number MFCD00084416
Melting Point (starting material) 52-56°C
Appearance (Solution): Colorless to Light Yellow to Light Brown, Clear

Aldehyde None detected
Peroxide None detected

Measured Conductivity Range: 28.0 – 60.2 µS/cm at 25°C
Measured Refractive Index Range: 1.40105 – 1.40205 at 20°C

Sterile filtered solution (0.22 micron) in sterile PETG bottle, purged with dry argon.

应用

  • 结晶级聚乙二醇单甲醚2,000用于筛选或优化

特征

  • 无菌过滤液
  • 在1+超纯水中配制:在25°C下电阻率为18.2兆,总有机碳<5 ppb,无细菌(<1细菌(CFU/ml)),无热原(<0.03内毒素(EU/ml)),无RNase(<0.01 ng/mL)和无DNase(<4 pg/L)

描述

聚乙二醇单甲醚2,000

同义词:甲氧基聚乙二醇2,000或单甲基聚乙二醇2,000或PEG Mme 2,000或MPEG
3O(总)22o)nH
公式权重(M)w) ~ 2,000
核证机关编号[9004-74-4]
欧共体编号215-801-2
RTECS PE 8271000
MDL号码MFCD00084416
熔点(原料)52-56℃
外观(解决方案):无色至淡黄色至浅棕色,清澈

醛无检出
过氧化物无检出

测量电导率范围:28.0-60.2S/cm,25°C
测量折射率范围:1.40105~1.40205℃,20°C

无菌过滤液(0.22微米)在无菌PETG瓶中,用干氩净化。

HR2-613 50% w/v Polyethylene glycol monomethyl ether 2,000 200 mL

Hampton HR2-545 2.0 M Lithium sulfate monohydrate

Hampton HR2-545 2.0 M Lithium sulfate monohydrate
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Optimize Reagents > Optimize – Salts > Lithium sulfate monohydrate

APPLICATIONS

  • Crystallization grade Lithium sulfate monohydrate for formulating screens or for optimization

FEATURES

  •  Sterile filtered solution
  • Formulated in Type 1+ ultrapure water: 18.2 megaohm-cm resistivity at 25°C, < 5 ppb Total Organic Carbon, bacteria free (<1 Bacteria (CFU/ml)), pyrogen free (<0.03 Endotoxin (EU/ml)), RNase-free (< 0.01 ng/mL) and DNase-free (< 4 pg/µL)

DESCRIPTION

Lithium sulfate monohydrate

Synonyms: Lithium sulfate
Li2SO• H2O
Li2O4S • H2O
Mr 127.96
Mr 109.96 without water
CAS Number [10102-25-7]
EC Number 233-820-4
Merck 14,5541
MDL Number MFCD00149766
PubChem Substance ID 24882254
Purity ≥ 99.0%

Measured pH Range: 3.0 – 4.3 at 25°C
Measured Conductivity Range: 76.4 – 86.5 mS/cm at 25°C
Measured Refractive Index Range: 1.36495 – 1.36563 at 20°C

Al  ≤0.0005%
As ≤0.00001%
Ba ≤0.0005%
Bi  ≤0.0005%
Ca ≤0.001%
Cd ≤0.0005%
Cl  ≤0.005%
Co ≤0.0005%
Cr ≤0.0005%
Cu ≤0.0005%
Fe  ≤0.0005%
K   ≤0.005%
Mg ≤0.0005%
Mn ≤0.0005%
Mo ≤0.0005%
Na ≤0.005%
Ni  ≤0.0005%
NO3 ≤0.001%
Pb ≤0.0005%
Sr ≤0.0005%
Zn ≤0.0005%

一水硫酸锂

应用

  • 结晶级一水硫酸锂用于筛选或优化

特征

  • 无菌过滤液
  • 在1+超纯水中配制:在25°C下电阻率为18.2兆,总有机碳<5 ppb,无细菌(<1细菌(CFU/ml)),无热原(<0.03内毒素(EU/ml)),无RNase(<0.01 ng/mL)和无DNase(<4 pg/L)

描述

一水硫酸锂

同义词:硫酸锂
2所以·H2O
2O4S·H2O
Mr 127.96
Mr109.96无水
核证机关编号[10102-25-7]
欧共体编号233-820-4
默克14 5541
MDL号码MFCD 00149766
PubChem物质ID 24882254
纯度≥99.0%

测量pH值范围:3.0-4.3℃,25°C
测量电导率范围:76.4~86.5毫秒/厘米,25°C
测量折射率范围:1.36495~1.36563℃,20°C

Al≤0.0005%
AS≤0.00001%
BA≤0.0005%
Bi≤0.0005%
CA≤0.001%
CD≤0.0005%
CL≤0.005%
CO≤0.0005%
Cr≤0.0005%
Cu≤0.0005%
Fe≤0.0005%
K≤0.005%
Mg≤0.0005%
Mn≤0.0005%
Mo≤0.0005%
NA≤0.005%
Ni≤0.0005%
3≤0.001%
PB≤0.0005%
Sr≤0.0005%
Zn≤0.0005%

HR2-545 2.0 M Lithium sulfate monohydrate 200 mL

Hampton Santovac Cryo Oil

Hampton Santovac Cryo Oil

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 Optimize Reagents Optimize – Cryoprotectants Santovac Cryo Oil

APPLICATIONS

  • Oil based cryoprotectant

FEATURES

  • Low viscosity
  • Low surface tension
  • Cryoprotectant for soluble and membrane protein crystals
  • Not miscible with most solvents
  • Non toxic, non penetrating cryoprotectant

DESCRIPTION

Used during cryocrystallography to displace and reduce the amount of water (mother liquor, reagent) on the crystal after the crystal is mounted in a cryoloop. Coating the crystal with oil can minimize evaporation from the crystal and reduce exposure and slow diffusion of air (oxygen) to the crystal.

Santovac Cryo Oil offers low viscosity, incredibly low vapor pressure, low surface tension, excellent chemical inertness and excellent thermal stability.

Dip the mounted crystal into the oil to displace surface water. Or add a small amount of Santovac to the crystallization drop before mounting the crystal. After adding the Santovac, mount the crystal using a Mounted Cryoloop. Withdraw the mounted crystal from the drop and the Santovac will coat the mounted crystal. Cryogenically cool the mounted crystal.

Santovac (Santovac 5) is a five ring polyphenyl ether (PPE) with very low vapor pressure and low reactivity. The oil is highly resistant to oxidation. The only elements in the pure polyphenyl ether are oxygen, hydrogen and carbon.

The fluid is chemically stable, non-corrosive, safe and non-toxic at normal operating temperatures.

Santovac is not miscible with water, paraffin oil, silicon oil, alkanes, or Parabar 10312 (Paratone). Santovac is miscible with acetone. Shelf life 5 years.

Santovac® is a trademark of Santovac® Fluids.

HR2-861  Santovac Cryo Oil 1 mL

RELATED ITEM(S)
CryoPro

REFERENCES
1. Structure of the ‘open’ form of Aspergillus nidulans 3-dehydroquinate synthase at 1.7 Å resolution from crystal grown following enzyme turnover. C.E. Nichols, A.R. Hawkins and D.K. Stammersa. Acta Crystallographic Section D, Volume 60, Part 5, Pages 971-973, May 2004.

2. Crystal Structure of the Caspase Activator Human Granzyme B, a Proteinase Highly Specific for an Asp-P1 Residue. E. Estebanez-Perpina et al. Biol. Chem., Vol. 381, pp. 1203-1214, December 2000.

Hampton CryoPro

Hampton CryoPro

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代理优势:货期3-4周。

欢迎访问Hampton research官网或者咨询我们获取更多产品信息。

Optimization Screens CryoPro CryoPro

APPLICATIONS

  • Water soluble cryoprotectant reagent set designed for the cryopreservation of biological macromolecular crystals

FEATURES

  • 48 unique cryoprotectants
  • Contains the following Cryoprotectants
    • Organic, non-volatile
    • Non-detergent
    • Osmolyte
    • Polyol
    • Polymer/Polyol
    • Polymer
    • Solvent
    • Sugar
    • Salt
    • Mixture

DESCRIPTION

As in selecting reagents for crystallization, the selection of a suitable cryoprotectant involves some trial and error as well as a screening.

A suitable cryoprotectant, when mixed with the crystal and crystallization reagent, will cool to cryogenic temperature without ice formation and damage to the crystal. To assay for the proper concentration of cryoprotectant in the reagent used to grow the crystal, one can mix the cryoprotectant with the crystallization reagent and employ the desired cooling method (for example, place the solution in a CryoLoop™ and place the CryoLoop in a cryostream). Observe for ice formation either visually or with x-ray diffraction. Upon cooling, a transparent drop and x-ray diffraction pattern, free of powder diffraction rings or “ice rings” indicates success. The appearance of a cloudy drop or “ice rings” indicates an inappropriate cryoprotectant concentration or cryoprotectant. Incrementally increase the concentration and/or composition of the cryoprotectant serially 5 to 10% and repeat until the cooled drop remains clear while in the cryostream. Once a clear drop is achieved in the cryostream, this is typically a good starting point for cryopreservation of the crystal.

Some crystals can simply be dipped or washed quickly in a simple cryoprotectant for successful cryopreservation. However, when all else fails, a rational assay of each cryoprotectant with incremental increases in cryoprotectant concentration as well as a test of mixtures can be help to identify the best cryoprotectant for a crystal.

Each CryoPro kit contains 1 milliliter each of 48 unique cryoprotectants. Supplied as one set of two boxes, each containing 24 reagents.

Ready to use cryoprotectants are formulated using high purity reagents with CryoPro reagents and are formulated using Type 1+ ultrapure water, 18.2 MO•cm resistivity at 25°C, < 5 ppb Total Organic Carbon, < 1 Bacteria (CFU/ml), < 0.03 Endotoxin (EU/ml) and are sterile filtered.

HR2-073 CryoPro 1 ml, tube format