L-CYSTEINE HYDROCHLORIDE MONOHYDRATE For Biochemistry

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

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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
 

 

Physical Properties

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

Packings

  • 1PW1200060

    25 g (00025)

  • 1PW1200200

    100 g (00100)

  • 1PW1200500

    500 g (00500)

  • 1PW1201600

    1000 g (01000)

 

Specifications

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%

Safety Information and Hazard Symbols

Exclamation Mark
Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338
Revision Date : 01-Apr-2017
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