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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-亮氨酸L-Leucine61-90-525G¥296.00SIGMAL8912
L-亮氨酸L-Leucine61-90-5100G¥755.00SIGMAL8912
L-亮氨酸L-Leucine61-90-51KG¥5,482.00SIGMAL8912
L-亮氨酸L-Leucine61-90-55KG¥18,850.00SIGMAL8912
品牌SIGMA
产品名称 L-亮氨酸 : L-Leucine ——【产品编号:SIGMA-L8912】
CAS编号61-90-5
别名(S)-2-氨基-4-甲基戊酸,L-白氨酸,L-闪白氨基酸,氨基异己酸,(S)-2-Amino-4-methylpentanoic acid,L-Leu,L-2-Amino-4-methylpentanoic acid
级别药典级
纯度&分析98.5-101.0%,from non-animal source, meets EP, JP, USP testing specifications, suitable for cell culture
Tips非动物源,符合美国药典(USP)、欧洲药典(EP)及日本药典(JP)标准,可用于细胞培养等。
分子式(CH3)2CHCH2CH(NH2)CO2H
分子量131.17
储存条件常温避光保存。
性质
biological source from non-animal source
assay 98.5-101.0%
form powder
total impurities endotoxin, tested
mp >300 °C(lit.)
solubility 1 M HCl: soluble50 mg/mL
suitability meets EP, JP, USP testing specifications
  suitable for cell culture
原产地美国
描述
ORIGIN NON-ANIMAL SOURCE
APPEARANCE WHITE CRYSTALLINE POWDER
IDENTIFICATION BY IR COMPARES TO REFERENCE STANDARD
SOLUBILITY CLEAR COLORLESS SOLUTION AT 0.5G TO 10ML OF 1M HYDROCHLORIC ACID
SPECIFIC ROTATION * +14.9 TO +16.0 DEG (20DEGC/EP,JP)
  +14.9 TO +17.3 DEG (25DEGC/USP)
  * C = 4 IN 6M HYDROCHLORIC ACID
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 5.5 TO 6.5 (1% IN WATER)
ASSAY (DRY BASIS) 98.5 TO 101.0%
ENDOTOXIN ASSAY < OR = 1 EU/MG
CELL CULTURE TEST PASS
NOTE MEETS USP, EP AND JP TESTING SPECIFICATIONS
供货状态True
参考文献

Grandison, R.C., et al., Amino-acid Imbalance Explains Extension Of Lifespan By Dietary Restriction In Drosophila. Nature 462, 1061-4, (2009)

Merck 14,5451

Beil. 4,IV,2738

Corp MSDS 1 (1), 2116:D / FT-IR 1 (1), 575:B / FT-IR 2 (1), 915:A / Fenaroli, 429 / IR-Spectra (3), 344:A / IR-Spectra (2), 306:F / NMR-Reference 2 (1), 489:B / RegBook 1 (1), 657:G / Sax 6, 1701 / Sigma FT-IR 1 (1), 196:B / Structure Index 1, 97:C:2

类型氨基酸
安全信息
个人防护装备 Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK德国 1
RTECS OH2850000