L-CYSTEINE HYDROCHLORIDE MONOHYDRATE

L-CYSTEINE HYDROCHLORIDE MONOHYDRATE For Biochemistry

Confirms to USP (Stereospecific,irreversible inhibitor of histidene,ammonia-lyase.)

Article No.

03141

Grade

For Biochemistry

Purity

98.5%

CAS No.

7048-04-6

Molecular Formula

C₃H₈ClNO₂S.H₂O

Molecular Weight

175.64

H.S. Code

2930.9040

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

Colorless crstals

pH value

1 - 2

Melting point/ Freezing point [°C]

176°C

Solubility in water [% weight]

100 g/l at 25 °C

Appearance	White crystals or crystalline powder
Assay (on anhydrous basis)	98.5 - 101.5%
Identity (IR)	Passes test
Residue on ignition	Max. 0.4%
Sulphate (SO4)	Max. 0.03%
Iron (Fe)	Max. 0.003%
Heavy metal (as Pb)	Max. 0.0015%
Related compounds	Passes test
Individual impurities	Max. 0.5%
Total impurities	Max. 2.0%
Specific optical rotation ([α]20/D)	+5.7° to +6.8°
Loss on drying (at R.T.; pressure max 5 mm of mercury; 24 hrs)	8.0 - 12.0%

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

Revision Date : 01-Apr-2017