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Merck
모든 사진(1)

Key Documents

1.02836

SAFC

L-Cystine

suitable for biopharmaceutical production FCC

동의어(들):

L-Cystine, Cys

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About This Item

실험식(Hill 표기법):
C6H12N2O4S2
CAS Number:
Molecular Weight:
240.30
MDL number:
UNSPSC 코드:
12352209
EC 인덱스 번호:
200-296-3

규정 준수

FCC

Quality Level

형태

solid

mp

261-262 °C (decomposition)

solubility

insoluble 0.19 g/L

density

1.677 g/cm3 at 20 °C

벌크 밀도

300 kg/m3

응용 분야

pharma/biopharma processes

저장 온도

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

일반 설명

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.
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.

분석 메모

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

법적 정보

SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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