L-Cystine (Ph. Eur.) low endotoxin pure, pharma grade

(R,R)-(-)-Cystine, 3,3#-Dithiobis(2-Aminopropanoic) Acid, b , b '-Dithiodialanine

Assay (calc. a.d.s.): 98.5 - 101.0 %

Recommended prices only. For prices and orders please contact your local distributor.
Box prices only valid with purchase of full box.

	code	packaging size	price per unit	Quantity	Price Per Box	Quantity
	code Z43645.0914	packaging size 5 kg	price per unit Request a quote	box price per unit

Product Code:: Z43645
Product Name:: L-Cystine (Ph. Eur.) low endotoxin pure, pharma grade
Quality Name:: low endotoxin pure, pharma grade
Specifications:: Assay (calc. a.d.s.): 98.5 - 101.0 %
Identity IR: passes test
Specific rotation α 20/D of 2% (in HCl 1 mol/l): -218° - (-224°)

Maximum limit of impurities
Appearance of solution: passes test
Loss on drying: 0,5 %
Residue on ignition: 0.10 %
Chloride (Cl): 0,02 %
Ammonium (NH4): 0,02 %
Sulfate (SO4): 0,03 %
Residual solvents (Ph.Eur.): passes test
Microbial Limits
Bacterial endotoxins: 12 IU/g
Ninhydrin positive substances (HPLC):
Individual impurity: 0,2 %
Total impurities: 0,5 %
Solubility in alkaly: 2 NTU
Fe: 0.001 %
DOES NOT COME FROM ANIMAL ORIGIN.

Storage:: Room Temperature.
Master Name:: L-Cystine
Synonyms Long Text:: (R,R)-(-)-Cystine, 3,3#-Dithiobis(2-Aminopropanoic) Acid, b , b '-Dithiodialanine
EINECS:: 200-296-3
CS:: 29309013