L(+)-Cysteine hydrochloride monohydrate 98.5-101.0% for biochemistry
Catalog # 23257.183
Supplier: VWR Chemicals
CAS Number:
Specifications
- Pack type:Plastic bottle for solids
- Pk:100 g
- Seq:3401
- Environmentally Preferable:
Specifications
Specification Test Results
- Assay (on anhydrous substance):98.5 - 101.0 %
- Identification:Passes test
- Spec.opt.rot.(80 g/l;HCl 250 g/l; dried):5.5 - 7.0 °
- Heavy metals (as Pb):≤ 10 ppm
- Loss on drying (Vacuum<0.7 kPa, 24 h):8.0 - 12.0 %
- SO₄ (Sulphate):≤ 300 ppm
- Ninhydrin-positive substances (LC)::Max. 0.02 %
- Ammonium (570 nm):≤ 0.02 %
- Any impurity:≤ 0.2 %
- Impurity A (570 nm):≤ 0.5 %
- Total impurities:≤ 1.0 %
Specification Test Results
About this item
Synonyms: (R)-(+)-Cysteine hydrochloride monohydrate, (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate, L-Cysteine HCI Monohydrate, H-Cys-OH.HCl.H2O, Cysteine Hydrochloride, Monohydrate, Cysteine Hydrochloride monohydrate
:
:175.64 g/mol
Merck Index:13,02810
Melting Pt:168…170 °C
Storage Temperature:Ambient
EINECS:200-157-7
CAS Number:7048-04-6
Formula:HSCH₂CH(NH₂)COOH·HCl·H₂O
MDL Number:MFCD00065606