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1-[(2S)-3-(Acetylthio)-2-methylpropionyl]-L-proline Hydrate
(CAS RN:64838-55-7 Product Number:A1528)


Synonym 1-[(S)-3-(Acetylthio)isobutyryl]-L-proline Hydrate
Synonym 1-[(2S)-3-(Acetylthio)-2-methyl-1-oxopropyl]-L-proline Hydrate

General Information

Product Number A1528

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Purity/Analysis Method >90.0%(T)
Storage Temperature
M.F. / M.W. C11H17NO4S·xH2O=259.32(as Anhydrous)
CAS RN 64838-55-7
Related CAS RN
MDL Number MFCD01860852
Packaging and Container
  • Product Details
  • Safety & Regulations


Appearance White to Almost white powder to crystal
Purity(Neutralization titration) min. 90.0%(calcd.on anh.substance)
Specific rotation [a]20/D -155.0 to -165.0 deg(C=1, MeOH)
Solubility in Methanol very faint turbidity
Water max. 10.0 %


Beilstein 22(5)1,137
Reaxys-RN 485398
PubChem SID 87562976
EC Number 265-250-7

Transport Information

HS Number 2933998090


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