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L(+)-Cisteina cloridrata monoidrata 98.5-101.5% (dry basis)

Fornitore: Thermo Scientific
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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

J14035.A1 J14035.22 J14035.14 J14035.A7
J14035.A1EA 274 EUR
J14035.A1 J14035.22 J14035.14 J14035.A7
L(+)-Cisteina cloridrata monoidrata 98.5-101.5% (dry basis)
L(+)-Cisteina cloridrata monoidrata
Formula: HSCH₂CH(NH₂)COOH·HCl·H₂O
Peso molecolare: 175,64 g/mol
Punto di fusione: ∼175 °C (dec.)
Temperatura di stoccaggio: Ambiente
MDL Number: MFCD00065606
CAS Number: 7048-04-6
EINECS: 200-157-7
Merck Index: 14,02781
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Risultati del test di specificazione

Form White crystalline powder
Assay (unspecified) 98.5 to 101.5% (dry basis)
Identification (FTIR) Conforms
Residual halide: Chlorine (Cl) 19.8 - 20.8%
Residue on ignition ≤ 0.1%
Impurity content: Sulfate (SO4) ≤ 0.03%
Loss on Drying 8.0 to 12.0%
Optical Rotation +5.7° to 6.8° (c=8 in in 6N HCl, dry basis)
Thin Layer Chromatography Homogeneous
Trace Metal: Arsenic (As) ≤ 1.5 ppm
Trace Metal: Heavy Metals (Pb) ≤ 10 ppm
Trace Metal: Iron (Fe) ≤ 10 ppm

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