L(+)-Cysteine hydrochloride monohydrate 98.5-101.5% (dry basis)
Supplier: Thermo Scientific
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Warning
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J14035.A1
J14035.22
J14035.14
J14035.A7
J14035.A1EA
317
EUR
J14035.A1
J14035.22
J14035.14
J14035.A7
L(+)-Cysteine hydrochloride monohydrate 98.5-101.5% (dry basis)
L(+)-Cysteine hydrochloride monohydrate
Formula:
HSCH₂CH(NH₂)COOH·HCl·H₂O Melting Pt: ∼175 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00065606 CAS Number: 7048-04-6 EINECS: 200-157-7 Merck Index: 14,02781 |
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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