L(+)-Cysteine hydrochloride monohydrate 98.5-101.5% (dry basis)

Supplier: Thermo Fisher Scientific

Synonyms: (R)-2-Amino-3-mercaptopropanoic acid hydrochloride hydrate(R)-(+)-Cysteine hydrochloride monohydrateCysteine Hydrochloride monohydrateH-Cys-OH.HCl.H2OCysteine Hydrochloride, Monohydrate

J14035-A7 J14035-14 J14035-A1 J14035-22
101171-578EA 1662.37 USD
101171-578 101174-990 101174-992 103728-078
L(+)-Cysteine hydrochloride monohydrate 98.5-101.5% (dry basis)
L(+)-Cysteine hydrochloride monohydrate
MW: 175.64 g/mol
Melting Pt: ca 175 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00065606
CAS Number: 7048-04-6
EINECS: 200-157-7
Merck Index: 14,02781

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Specification Test Results

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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