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Product Details:
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| Product Name: | L-Cystine | CAS No: | 56-89-3 |
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| Molecular Formula: | C6H12N2O4S2 | Purity: | Not Less Than 99% |
| Storage: | Preserve In Tight Containers At Controlled Room Temperature | Shielf Life: | 2 Years |
| Stability: | Stable. Incompatible With Strong Oxidizing Agents. | ||
| High Light: | ISO 22000 APIs Intermediates,C6H12N2O4S2 pharmaceutical intermediates,C6H12N2O4S2 l cystine Powder |
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C6H12N2O4S2 APIs Intermediate L-Cystine White Crystals or Crystalline Powder
Product Description
L-Cystine is a non-essential amino acid for human development and can be used as pharmaceutical intermediate. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds; It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells , etc.
Specifications
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Test items
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Standard | ||
| DEFINITION | Cystine contains NLT 98.5% and NMT 101.5% of C6H12N2O4S2, as L-Cystine, calculated on the dried basis. | ||
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IDENTIFICATION
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INFRARED ABSORPTION | ||
| -215°to -225° | |||
| The principal spot conform | |||
| ASSAY | 98.5%-101.5% | ||
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IMPURITIES
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Inorganic Impurities | RESIDUE ON IGNITION | NMT 0.1% |
| CHLORIDE | NMT 200ppm | ||
| SULFATE | NMT 200ppm | ||
| IRON | NMT 10ppm | ||
| Organic Impurities | Individual impurities | NMT 0.2% | |
| Total impurities | NMT 2.0% | ||
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SPECIFIC TESTS |
LOSS ON DRYING | NMT 0.2% | |
QA
What is our sample policy?
The free sample can be provided unless it is not more than 1kg. For samples more than 1 kg, we would charge fees accordingly. We shoulder all the sample freight or delivery cost.
How long do we keep the retention samples?
One year after the expiry date .
Contact Person: Flora Tian
Tel: +86(0)2886659617
Fax: 86-28-83376052
