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CAS RN: 926905-71-7 | Product Number: A2265

N-Acetyl-4-hydroxy-L-proline (cis- and trans- mixture)

Purity: >97.0%(GC)
  • N-Acetyl-4-hydroxypyrrolidine-2-carboxylic Acid (cis- and trans- mixture)
  • Ac-Hyp-OH (cis- and trans- mixture)
3   10  
1   17  

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Product Number A2265
Purity / Analysis Method >97.0%(GC)
Molecular Formula / Molecular Weight C__7H__1__1NO__4 = 173.17 
Physical State (20 deg.C) Solid
CAS RN 926905-71-7
Reaxys Registry Number 13266301
PubChem Substance ID 253661634
Appearance White to Light yellow to Light orange powder to crystal
Purity(GC) min. 97.0 %
Purity(Neutralization titration) min. 96.0 %
Specific rotation [a]20/D -114 to -120 deg(C=4, H2O)
Properties (reference)
Melting Point 131 °C
Specific Rotation -117° (C=4,H2O)
Solubility in water Slightly soluble
Pictogram Pictogram
Signal Word Danger
Hazard Statements H318 : Causes serious eye damage.
Precautionary Statements P280 : Wear eye protection/ face protection.
P305 + P351 + P338 + P310 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/doctor.
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