L(+)-Cysteine hydrochloride monohydrate 98.5-101.0% for biochemistry

Leverancier: VWR Chemicals

23257.183EA 134 EUR
23257.183
L(+)-Cysteine hydrochloride monohydrate 98.5-101.0% for biochemistry
L(+)-Cysteine hydrochloride monohydrate
Formule: HSCH₂CH(NH₂)COOH·HCl·H₂O
MW: 175,64 g/mol
Smeltpunt: 168…170 °C
Opslagtemperatuur: Kamertemperatuur
MDL-nummer: MFCD00065606
CAS-nummer: 7048-04-6
EINECS: 200-157-7
Merck Index: 13,02810
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Specificaties testresultaten

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):
Ammonium (570 nm) ≤ 0.02 %
Any impurity ≤ 0.2 %
Impurity A (570 nm) ≤ 0.5 %
Total impurities ≤ 1.0 %

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