Packs sizes (1)
| code | packaging size | price per unit | box price per unit | |
|---|---|---|---|---|
| Code & packaging | Price per piece | |||
|
code
Z43645.0914
|
packaging size
5 kg
|
price per unit
single
Request a quote
|
box price per unit
|
Technical data
- Melting Point:
- 261 °C
- Solubility:
- water 0.11 g/l at 25 °C
- Physical Description:
- solid
- 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
