L-CYSTINE For Biochemistry |
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HomeLaboratory ChemicalsAmino Acids & Derivatives |
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SYNONYMS : (R,R)-3,3'-DITHIOBIS(2-AMINOPROPIONICACID) |
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Article No. |
03145 |
Grade |
For Biochemistry |
Purity |
98.5% |
CAS No. |
56-89-3 |
Molecular Formula |
C6H12N2O4S2 |
Molecular Weight |
240.30 |
H.S. Code |
2930.9013 |
Shelf Life |
5 Years |
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Specifications |
Appearance |
White to off white powder |
Specification Assay |
98.5 - 101% |
Specific rotation (20/D,20g/l,HCl 1 mol/l on dried |
-218 to -224 deg |
Chloride (Cl) |
Max 0.02% |
Sulphate (SO4) |
Max 0.03% |
Ammonium (NH4) |
Max 0.02% |
Ninhydrin positive substance |
Max 0.2% |
Loss on drying (at 110 deg C) |
Max 0.5% |
Sulphated ash |
Max 0.1% |
Iron (Fe) |
Max 0.002% |
Lead (Pb) |
Max 0.001% |
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Packings |
00025 25 g |
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00100 100 g |
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00500 500 g |
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Revision Date
: 17-Dec-2013 |
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