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BioBuffer Solution Brand Product
GMP Biotech Product

L-CYSTINE DIHYDROCHLORIDE BIOTECH, Synthetic

LBLE*, GMP
Product Code: LCYS-6250 / BBS

*Low Bioburden, Low Endotoxin

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Product Code: LCYS-6250
Suitable for use in biological and biotech chemical process applications from R&D through scale cGMP production.

L-Cystine Dihydrochloride is dimer, synthesized under full cGMP conditions and is suitable for cell culture media used in the commercial biomanufacturer of therapeutic recombinant proteins and monoclonal antibodies.

Formula: C6H12N2O4S2·2HCl
F.W.: 313.22 g/mol
CAS #: 30925-07-6

Product Specifications

  ANALYSIS SPECIFICATIONS
Appearance and Color  
White to Slightly Yellow Crystalline Powder
Assay, Dried Basis  
98.0% - 102.0%
Microbial Content

TAMC

TYMC

< 50 CFU/g

< 50 CFU/g

Chloride  
22.2% - 23.5%

Endotoxin 

 
< 0.02 EU/mg

Heavy Metals (Pb)

 
< 10 ppm
Identification, IR  

Conforms to Reference Standard

Loss on Drying   
< = 0.5%
pH (0.1%)  
Report
Residue on Ignition  
< = 0.1%
Specific Rotation, Free Basis, 20°C  
-225.0° to -215.0°
Solubility Passes Test 

 

Printable Version

Key Product Features:

  • Appears as a white to slightly yellow crystalline powder
  • GMP manufactured in accordance with the QMS
  • Manufactured in an enzyme free, hormone free and animal free environment
  • Contains no known major food allergens (as defined by FDA and WHO)
  • The final product nor its raw materials are not derived from nor come into contact with animals, animal parts, animal products, and/or animal byproducts or derivatives.
  • Is not subject to genetic modification
  • Synonyms: (2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl] disulfanyl]propanoic acid; diHCl

Shelf-Life Policy:

Unless otherwise noted on the Shelf-Life Statement and CoA, this product has a 2-year retest date supported by a 3-year ICH Q1 Stability Study (if one is completed).

Storage & Shipping:

Refer to SDS.

Package Sizes:

100g, 500g, 1kg, 5kg, 10kg, 25kg, 50kg

Bulk GMP Fine Chemicals exclusively manufactured in North America

American Manufactured - FDA Registered GMP Facilities: Parenteral Excipients, GMP Small Molecule Intermediates, GMP Biological Buffers, Parenteral Carbohydrates, GMP Chlorinated Amino Acids, GMP Solutions in Sterile Single Use Packaging and other Reagent & GMP Fine Chemicals.