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L-Cysteine hydrochloride monohydrate

L-半胱氨酸 盐酸盐 一水合物

品牌
Millipore
CAS
7048-04-6
货号
1.02839
规格纯度
for biochemistry
参考价格
511.58 *本价格含增值税费
促销
数量
-+
产品介绍:

产品说明

生化/生理作用

NMDA 谷氨酸受体拮抗剂。

分析说明

Assay (alkalimetric, calculated on dried substance): 98.5 - 101.0 %
Identity (IR-spectrum): passes test
Identity (Chloride): passes test
Appearance: white or almost white, crystalline powder or colorless crystals
Appearance of solution (25 g/l, water): clear and not more intense in color than reference solution BY6
Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance): +5.5 to +7.0
Spec. rotation (α 25/D, 80 g/l, hydrochloric acid 6 mol/l, calc. on dried substance): +5.7 to +6.8
Sulfate (SO₄): ≤ 300 ppm
Heavy metals (as Pb): ≤ 10 ppm
Fe (Iron): ≤ 20 ppm
Related Compounds, total (TLC): ≤ 0.5 %
Ninhydrin-positive substances (LC)(impurity A (570 nm)): ≤ 0.5 %
Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity): ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)): ≤ 0.02 %
Ninhydrin-positive substances (LC)(total impurities): ≤ 1.0 %
Residual solvents (ICH Q3C): excluded by manufacturing process
Sulfated ash (600 °C): ≤ 0.1 %
Loss on drying (Vacuum < 0.7 kPa, P₂O₅, 24 h): 8.0 - 12.0 %
Bacterial endotoxins: ≤ 6.0 I.U./g

基本信息

线性分子式HSCH2CH(NH2)COOH · HCl · H2O
分子量175.63
Beilstein5158059
MDL编号MFCD00065606
EC索引号200-157-7

产品性质

质量水平100
蒸汽压<0.1 hPa ( 20 ℃)
测定98.5-101.0% dry basis (alkalimetric)
形式crystalline powder
pH值(酸碱度)0.8-1.2 (20 ℃, 100 g/L in H2O)
mp168-170 ℃
溶解性 650 g/L
密度1.54 g/cm3
堆积密度780 kg/m3
痕量阴离子sulfate (SO42-): ≤300 ppm
痕量阳离子Fe: ≤20 ppm
heavy metals (as Pb): ≤10 ppm
储存温度2-30℃
SMILES stringO.Cl.N[C@@H](CS)C(O)=O
InChI1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1
InChI keyQIJRTFXNRTXDIP-JIZZDEOASA-N

安全信息

象形图GHS07
警示用语:Warning
危险声明H319
预防措施声明P264 - P280 - P305 + P351 + P338 - P337 + P313
危险分类Eye Irrit. 2
储存分类代码13 - Non Combustible Solids
WGKWGK 1
闪点(F)Not applicable
闪点(C)Not applicable

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