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Product Details:
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| Product Name: | L-Cystine | Appearance: | White Crystals Or Crystalling Powder |
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| CAS No: | 56-89-3 | Molecular Formula: | C6H12N2O4S2 |
| Delivery Time: | Within 5 Working Days | Package: | 25kg/paper Drum |
| Purity: | Not Less Than 99% | Storage: | Preserve In Tight Containers At Controlled Room Temperature |
| Shielf Life: | 2 Years | ||
| High Light: | C6H12N2O4S2 API Active Pharmaceutical Ingredient,C6H12N2O4S2 active pharmaceutical ingredients,C6H12N2O4S2 l cysteine |
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C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine White Crystals or Crystalline Powder
Product Description
We provide L-Cystine as API . Written Confirmation(WC) and DMF are available.
L-Cystine is used as an antioxidant, protecting tissues against radiation and pollution. It finds application in protein synthesis. It is required for utilization of vitamin B6 and is useful in healing burns and wounds. It is also is required by certain malignant cell lines in the culture medium as well as for the growth of certain micro-organisms. It is useful in the stimulation of hematopoietic system and promotes the formation of white and red blood cells. It is an active ingredient in medications used to treat dermatitis.
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% | |
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Microbial Counts Bacteria East & Mold E.Coli |
not more than 1000CFU/g not more than 100cfu should be absent |
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Q&A
1. Do we keep retention samples and batch records?
Yes. We would keep retention sample and batch records for each batch of product for as long as one year after the expiry date.
2. What certifications do we have?
We have GMP, ISO22000 , Kosher and Halal certificate . We are also DUNS and Sedex-registered.
3. What is our sample policy?
NMT 1kg, it is free. If more than 1kg, we would charge accordingly ; We shoulder the sample freight or delivery cost.
Contact Person: admin
Tel: +8618011488180
