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L-Cysteine Hydrochloride Monohydrate
(CAS Number:7048-04-6 Product Number:C0517)


L-Cysteine Hydrochloride
Synonym H-Cys-OH·HCl Monohydrate

General Information

Product Number C0517

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Purity/Analysis Method >99.0%(T)
Storage Temperature
M.F. / M.W. C3H7NO2S·HCl·H2O=157.61(as Anhydrous)
CAS Number 7048-04-6
Related CAS Number 52-89-1
MDL Number MFCD00065606
  • Product Details
  • Safety & Regulations
  • Reference & Application


Purity(Iodometric Titration) min. 99.0%(calcd.on dried substance)
Specific rotation [a]20/D +5.0 to +7.0 deg(C=8, 1mol/L HCl)
Solubility in Water almost transparency
Drying loss 8.5 to 12.0 %

Data of Reference

mp 178°C(dec.)(lit.)


Beilstein 4,506
Reaxys-RN 5158059
PubChem SID 87565634
Merck Index(14) 2781
RTECS# HA2285000

Transport Information

HS Number 2930.90.9110


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