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CAS RN: 39145-52-3 | Product Number: A0873

N-Acetyl-L-histidine Monohydrate

Purity: >99.0%(T)(HPLC)
  • Ac-His-OH Monohydrate
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Product Number A0873
Purity / Analysis Method >99.0%(T)(HPLC)
Molecular Formula / Molecular Weight C__8H__1__1N__3O__3·H__2O = 215.21  
Physical State (20 deg.C) Solid
CAS RN 39145-52-3
Related CAS RN 2497-02-1
Reaxys Registry Number 85669
PubChem Substance ID 87562384
MDL Number


Appearance White to Almost white powder to crystaline
Purity(HPLC) min. 99.0 area%
Purity(Neutralization titration) min. 99.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +44.0 to +49.0 deg(C=1, H2O)
Solubility in Water almost transparency
Water 7.0 to 10.0 %
Properties (reference)
Melting Point 163 °C
Specific Rotation 46.5° (C=1,H2O)
Related Laws:
EC Number 219-678-6
Transport Information:
HS Number 2933299090
PubMed Literature

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