生物缓冲液, Biological Buffers

缓冲剂是能被用来控制高温高压状态下，或常温常压下，气体或液体逸度的固体组合，它可以是固态的也可以是液态的。生物及化学工程中的缓冲剂常称为酸碱稳定剂，一般是盐类，如强酸弱碱或弱酸强碱盐类，在反应或保存中逐渐释出盐中的酸或碱以保持稳定的酸碱值。

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氨基丁三醇 [三羟甲基氨基甲烷]，Tris base [TRIS, THAM]；≥99.9% (titration)

TRIS-RO
图片 氨基丁三醇 [三羟甲基氨基甲烷]，Tris base [TRIS, THAM]；≥99.9% (titration)
别名：罗氏: 10708976001, 11814273001；氨丁三醇；Tris碱；2-氨基-2-(羟甲基)-1,3-丙二醇；缓血酸胺；Trizma® base；2-Amino-2-(hydroxymethyl)-1,3-propanediol；Tris base；Tris(hydroxymethyl)aminomethane；Trometamol.

线性分子式: NH2C(CH2OH)3 CAS号: 77-86-1 分子量: 121.14 Beilstein: 741883 MDL编号: MFCD00004679 PubChem化学物质编号: 329827583
¥1,342.89

2-[4-(2-羟乙基)-1-哌嗪基]-乙磺酸，2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid [HEPES]；Buffer substance HEPES EMPROVE® EXPERT

1.10110
图片 2-[4-(2-羟乙基)-1-哌嗪基]-乙磺酸，2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid [HEPES]；Buffer substance HEPES EMPROVE® EXPERT
1101101000；1101109025；1101106025；别名：羟乙基哌嗪乙硫磺酸；4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 MDL编号: MFCD00006158 EC索引号: 230-907-9
¥6,514.45

羟乙基哌嗪乙硫磺酸，HEPES, Free Acid, Molecular Biology Grade；A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.

391340
图片 羟乙基哌嗪乙硫磺酸，HEPES, Free Acid, Molecular Biology Grade；A zwitterionice N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C.
别名：分子生物学级HEPES, 游离酸；4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 MDL编号: MFCD00006158
¥616.82

羟乙基哌嗪乙硫磺酸，HEPES, Free Acid, ULTROL® Grade；A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.

391338
图片 羟乙基哌嗪乙硫磺酸，HEPES, Free Acid, ULTROL® Grade；A zwitterionic N-substituted aminosulfonic acid buffer. Useful in the pH 6.8-8.2 range. Has a pKa of 7.48 at 25°C. Absorbance (1.0 M, H2O, 260 nm):≤0.05.
别名：超纯HEPES, 游离酸；4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 MDL编号: MFCD00006158
¥681.44

羟乙基哌嗪乙硫磺酸，HEPES；≥99.5% (titration)

H3375
图片 羟乙基哌嗪乙硫磺酸，HEPES；≥99.5% (titration)
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

CAS号 7365-45-9 经验分子式（希尔表示法） C8H18N2O4S 分子量 238.30 Beilstein/REAXYS Number 883043 EINECS 编号 230-907-9 MDL number MFCD00006158 PubChem Substance ID 24895572 NACRES NA.25
¥564.24

羟乙基哌嗪乙硫磺酸，HEPES；anhydrous, free-flowing, Redi-Dri™, ≥99.5%

RDD002
图片 羟乙基哌嗪乙硫磺酸，HEPES；anhydrous, free-flowing, Redi-Dri™, ≥99.5%
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 329824215 NACRES: NA.25
¥8,887.47

羟乙基哌嗪乙硫磺酸，HEPES；BioPerformance Certified, ≥99.5% (titration), suitable for cell culture

H4034
图片 羟乙基哌嗪乙硫磺酸，HEPES；BioPerformance Certified, ≥99.5% (titration), suitable for cell culture
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 24895616 NACRES: NA.25
¥695.70

羟乙基哌嗪乙硫磺酸，HEPES；BioUltra, for molecular biology, ≥99.5% (T)

54457
图片 羟乙基哌嗪乙硫磺酸，HEPES；BioUltra, for molecular biology, ≥99.5% (T)
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 57651473 NACRES: NA.25
¥713.05

羟乙基哌嗪乙硫磺酸，HEPES；BioXtra, pH 5.0-6.5 (1 M in H2O), ≥99.5% (titration)

H7523
图片 羟乙基哌嗪乙硫磺酸，HEPES；BioXtra, pH 5.0-6.5 (1 M in H2O), ≥99.5% (titration)
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 24895796
¥2,507.02

羟乙基哌嗪乙硫磺酸，HEPES；BioXtra, suitable for mouse embryo cell culture, ≥99.5% (titration)

H6147
图片 羟乙基哌嗪乙硫磺酸，HEPES；BioXtra, suitable for mouse embryo cell culture, ≥99.5% (titration)
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 24895731 NACRES: NA.75
¥971.89

羟乙基哌嗪乙硫磺酸，HEPES；reagent grade, ≥99% (titration), crystalline

H23830
图片 羟乙基哌嗪乙硫磺酸，HEPES；reagent grade, ≥99% (titration), crystalline
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 MDL编号: MFCD00006158
¥685.77

羟乙基哌嗪乙硫磺酸，HEPES；Vetec™, reagent grade, 99.5%

V900477
图片 羟乙基哌嗪乙硫磺酸，HEPES；Vetec™, reagent grade, 99.5%
别名：4-(2-羟乙基)哌嗪-1-乙磺酸；N-(2-羟乙基)哌嗪-N′-(2-乙磺酸)； 4-(2-羟乙基)-1-哌嗪乙磺酸；4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid；N-(2-Hydroxyethyl)piperazine-N′-(2-ethanesulfonic acid)

Empirical Formula (Hill Notation): C8H18N2O4S CAS号: 7365-45-9 分子量: 238.30 Beilstein: 883043 EC 号: 230-907-9 MDL编号: MFCD00006158 PubChem化学物质编号: 329829878
¥189.89
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