l-cystine 98.5% for biochemistry

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Description

CAS 56-89-3
Molecular Formula C6H12N2O4S2
Molecular Weight 240.30
Shelf Life 60 Months
Physical Properties
Physical State at 20 °C Solid Colour Colorless crystalline
Melting Point/ Freezing Point [°C] > 240 °C Solubility in Water [% weight] Soluble in water
Specifications
Appearance White to off white powder Assay 98.5 – 101%
Specific Optical Rotation ( [?]20/d; 20 g/l in 1 mol/l hcl; on dried substance) -218 to -224° Chloride (Cl) Max 0.05%
Sulphate (So4) Max 0.03% Ammonium (Nh4) Max 0.02%
Ninhydrin Positive Substance Max 0.2% Loss On Dryig (At 110°C) Max 0.5%
Sulphated Ash Max 0.1% Iron (Fe) Max 0.002%
Lead (Pb) Max 0.001%
Dangerous Goods Information
UN Number – DG Class –

l-cystine 98.5% for biochemistry

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SKU C00925-00025-HS Category
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