1.02836
L-Cystine
suitable for biopharmaceutical production FCC
Sinónimos:
L-Cystine, Cys
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Acerca de este artículo
Fórmula empírica (notación de Hill):
C6H12N2O4S2
Número CAS:
Peso molecular:
240.30
EC Index Number:
200-296-3
UNSPSC Code:
12352209
MDL number:
Servicio técnico
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FCC
Quality Segment
form
solid
mp
261-262 °C (decomposition)
solubility
insoluble 0.19 g/L
density
1.677 g/cm3 at 20 °C
bulk density
300 kg/m3
application(s)
pharma/biopharma processes
storage temp.
2-30°C
InChI
1S/C6H12N2O4S2/c7-3(5(9)10)1-13-14-2-4(8)6(11)12/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12)/t3-,4-/m0/s1
InChI key
LEVWYRKDKASIDU-IMJSIDKUSA-N
General description
Our SAFC® portfolio of high-quality raw materials for use in biopharmaceutical processing withstands strict quality control procedures plus the documentation and expertise to help our customers meet requirements as defined by the M-Clarity Program.
M-Clarity Program
Our comprehensive portfolio of upstream process chemicals not only provides biopharmaceutical manufacturers with high-quality raw materials for production of classical and novel therapies, but also helps them get to market faster and simplify regulatory challenges. Trust us to deliver supply chain transparency and reliable sourcing around the globe, streamlining your product qualification with best-in-class regulatory support and service.
M-Clarity Program
Our comprehensive portfolio of upstream process chemicals not only provides biopharmaceutical manufacturers with high-quality raw materials for production of classical and novel therapies, but also helps them get to market faster and simplify regulatory challenges. Trust us to deliver supply chain transparency and reliable sourcing around the globe, streamlining your product qualification with best-in-class regulatory support and service.
We offer a range of high quality critical raw materials plus the documentation and expertise to help our customers meet stringent regulatory requirements. Our SAFC® portfolio of high-quality products withstands strict quality control procedures.
Analysis Note
Assay (ex N, calc. on dried substance): 98.5 - 101.5 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine-crystalline powder
Appearance of solution (100 g/l, hydrochloric acid 2 mol/l): clear and colorless
Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, previously dried substance): -215 to -225
Heavy metals (as Pb): ≤ 10 ppm
Pb (Lead): ≤ 5 ppm
Ninhydrin - positive substances (LC) (largest single impurity): ≤ 0.2 %
Ninhydrin - positive substances (LC) (Sum of all impurities): ≤ 0.5 %
Sulfated ash (800 °C): ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.2 %
Corresponds to FCC V
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine-crystalline powder
Appearance of solution (100 g/l, hydrochloric acid 2 mol/l): clear and colorless
Spec. rotation (α 20/D, 20 g/l, hydrochloric acid 1 mol/l, previously dried substance): -215 to -225
Heavy metals (as Pb): ≤ 10 ppm
Pb (Lead): ≤ 5 ppm
Ninhydrin - positive substances (LC) (largest single impurity): ≤ 0.2 %
Ninhydrin - positive substances (LC) (Sum of all impurities): ≤ 0.5 %
Sulfated ash (800 °C): ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.2 %
Corresponds to FCC V
Legal Information
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany
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Clase de almacenamiento
11 - Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificados de análisis (COA)
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