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C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals

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C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals

C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals
C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals

Large Image :  C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals

Product Details:
Place of Origin: China
Brand Name: Emeishan Longteng
Certification: GMP, ISO22000, Kosher, Halal
Model Number: API Active Pharmaceutical Ingredient
Payment & Shipping Terms:
Minimum Order Quantity: 25kg
Packaging Details: 25kg/paper drum
Delivery Time: Within 5 working days
Payment Terms: L/C, T/T
Supply Ability: 100mt/year

C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals

Description
Product Name: L-Cystine Appearance: White Crystals Or Crystalling Powder
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

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C6H12N2O4S2 active pharmaceutical ingredients

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C6H12N2O4S2 l cysteine

 

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

 

 

 

 

Test items

 

Standard
DEFINITION Cystine contains NLT 98.5% and NMT 101.5% of C6H12N2O4S2, as L-Cystine, calculated on the dried basis.

  IDENTIFICATION

 

INFRARED ABSORPTION
-215°to -225°
The principal spot conform
ASSAY 98.5%-101.5%

  IMPURITIES

 

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%

SPECIFIC

TESTS

LOSS ON DRYING NMT 0.2%

Microbial Counts

Bacteria

East & Mold

E.Coli

 

not more than 1000CFU/g

not more than 100cfu

should be absent

 

 

 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.

 

 

C6H12N2O4S2 API Active Pharmaceutical Ingredient L-Cystine Powder White Crystals 0

 

 

Contact Details
Emeishan Longteng Biotechnology Co., Ltd.

Contact Person: Flora Tian

Tel: +86(0)2886659617

Fax: 86-28-83376052

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