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中文名称英文名称CAS 编号规格目录价所属品牌订货号
L-苏氨酸(标准品)L-Threonine standard72-19-51G¥676.00BSZHSS224
L-苏氨酸(标准品)L-Threonine standard72-19-55G¥1,969.00BSZHSS224
品牌BSZH
产品名称 L-苏氨酸(标准品) : L-Threonine standard ——【产品编号:BSZH-SS224】
CAS编号72-19-5
别名(2S,3R)-2-氨基-3-羟基丁酸,L-α-氨基-β-羟基丁酸,L-羟基丁氨酸,L-异赤丝藻氨基酸,(2S,3R)-2-Amino-3-hydroxybutyric acid,L-2-Amino-3-hydroxybutyric acid,Thr
级别标准品
纯度&分析>99.9%,Meets standard substance testing specifications
Tips此产品经特殊纯化处理,可用作参照标准、对照等。
分子式CH3CH(OH)CH(NH2)CO2H
分子量119.12
储存条件常温避光保存。
性质
biological source from non-animal source
assay 99.9%
form powder
total impurities endotoxin, tested
mp 256 °C (dec.)(lit.)
suitability meets EP, JP, USP testing specifications
  suitable for cell culture
原产地美国
描述
ORIGIN MUST BE NON-ANIMAL SOURCE
APPEARANCE WHITE CRYSTALLINE POWDER
IDENTIFICATION BY IR COMPARES TO REFERENCE STANDARD
SOLUBILITY CLEAR COLORLESS SOLUTION AT 1G TO 10ML OF WATER
SPECIFIC ROTATION * -27.6 TO -29.0 DEG (20DEGC/EP, JP)
  -26.7 TO -29.1 DEG (25DEGC/USP)
  * C = 6 IN WATER
CHLORIDE < OR = 0.020%
AMMONIUM < OR = 0.02%
SULFATE < OR = 0.020%
IRON < OR = 10 PPM
HEAVY METALS < OR = 10 PPM
ARSENIC < OR = 1 PPM
LOSS ON DRYING < OR = 0.20%
RESIDUE ON IGNITION < OR = 0.10%
RESIDUAL SOLVENTS MEETS THE REQUIREMENTS
NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) CONFORMS
PH TEST (USP) 5.0 TO 6.5 (5% IN WATER)
PH TEST (EP) 5.0 TO 6.5 (2.5% IN WATER)
PH TEST (JP) 5.2 TO 6.2 (1% IN WATER)
ASSAY (DRY BASIS) 99.9%
ENDOTOXIN ASSAY < OR = 1 EU/MG
CELL CULTURE TEST PASS
NOTE MEETS USP, EP AND JP TESTING SPECIFICA TIONS
供货状态True
参考文献

Merck 14,9380

Beil. 4,IV,3171

Corp MSDS 1 (2), 3341:D / FT-IR 1 (1), 582:A / FT-IR 2 (1), 923:B / FT-NMR 1 (1), 882:B / IR-Spectra (2), 309:B / IR-Spectra (3), 347:C / NMR-Reference 2 (1), 492:D / RegBook 1 (1), 661:J / Sax 6, 2578 / Sigma FT-IR 1 (1), 265:D / Structure Index 1, 98:B:5

类型标准品
安全信息
个人防护装备 Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK德国 1