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L(+)-Cisteina cloridrata monoidrata 98.5-101.0% per biochimica

Fornitore: VWR Chemicals

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

23257.183EA 101 EUR
23257.183
L(+)-Cisteina cloridrata monoidrata 98.5-101.0% per biochimica
L(+)-Cisteina cloridrata monoidrata
Formula: HSCH₂CH(NH₂)COOH·HCl·H₂O
Peso molecolare: 175.64 g/mol
Punto di fusione: 168…170 °C
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00065606
CAS Number: 7048-04-6
EINECS: 200-157-7
Merck Index: 13,02810
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Risultati del test di specificazione

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 %


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