» 产品价格(Market Price)⇒ 联系客服 +
中文名称英文名称CAS 编号规格目录价所属品牌订货号
L-胱氨酸(标准品)L-Cystine standard56-89-31G¥676.00BSZHSS169
L-胱氨酸(标准品)L-Cystine standard56-89-35G¥1,969.00BSZHSS169
品牌BSZH
产品名称 L-胱氨酸(标准品) : L-Cystine standard ——【产品编号:BSZH-SS169】
CAS编号56-89-3
别名(R,R)-3,3′-二硫双(2-氨基丙酸),L-胱氨基酸,双硫代氨基丙酸,L(-)-3,3'-Dithiobis(2-aminopropanoic acid),2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid,(R,R)-3,3'-Dithiobis(2-aminopropionicacid)
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[-SCH2CH(NH2)CO2H]2
分子量240.30
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 >240 °C (dec.)(lit.)
solubility 1 M HCl: soluble100 mg/mL
suitability meets EP testing specifications
  suitable for cell culture
原产地美国
描述
APPEARANCE WHITE TO OFF-WHITE CRYSTALLINE POWDER
IDENTIFICATION BY IR COMPARES TO REFERENCE STANDARD
SOLUBILITY CLEAR COLORLESS SOLUTION AT 1G TO 10ML OF 2M HYDROCHLORIC ACID
RESIDUAL SOLVENTS MEETS THE REQUIREMENTS
SPECIFIC ROTATION * -218 TO -224 DEG (20DEGC)
  * C = 2 IN 1M HYDROCHLORIC ACID
CHLORIDE < OR = 0.020%
AMMONIUM < OR = 0.020%
SULFATE < OR = 0.030%
IRON < OR = 10 PPM
HEAVY METALS < OR = 10 PPM
LOSS ON DRYING < OR = 0.2%
RESIDUE ON IGNITION < OR = 0.04%
NINHYDRIN-POSITIVE SUBSTANCES (OTHER AMINO ACIDS) CONFORMS
供货状态True
参考文献

Merck 14,2782

Beil. 4,IV,3155

FT-IR 1 (1), 596:B / FT-IR 2 (1), 942:C / IR-Spectra (2), 314:H / IR-Spectra (3), 354:G / NMR-Reference 2 (1), 503:A / RegBook 1 (1), 675:H / Sigma FT-IR 1 (1), 123:C / Structure Index 1, 102:A:2

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
危害码 Xi
风险声明 36/37/38
安全声明 26-36
WGK德国 3
RTECS HA2690000