alpha-Cyclopentylmandelic acid
Synonym(s):α-Cyclopentylmandelic acid;2-Cyclopentyl-2-hydroxy-2-phenylacetic acid;Glycopyrronium Bromide Impurity J (PhEur)
- CAS NO.:427-49-6
- Empirical Formula: C13H16O3
- Molecular Weight: 220.27
- MDL number: MFCD00019296
- EINECS: 207-047-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02

What is alpha-Cyclopentylmandelic acid?
Chemical properties
white to beige powder
The Uses of alpha-Cyclopentylmandelic acid
intermediate for Glycopyrronium Bromide, Oxyphencyclimine HCl, Oxypyrronium Bromide
The Uses of alpha-Cyclopentylmandelic acid
2-Cyclopentyl-2-hydroxy-2-phenylacetic Acid is an impurity of Glycopyrrolate (G657000), a novel pharmaceutical compound based on PDE IV inhibitors; used in the treatment of respiratory complaints. It is used in the synthesis of muscarinic M3 receptor antagonists.
Properties of alpha-Cyclopentylmandelic acid
Melting point: | 144-150 °C |
Boiling point: | 110 °C (0.5 mmHg) |
Density | 1.247±0.06 g/cm3(Predicted) |
storage temp. | Sealed in dry,Room Temperature |
solubility | Chloroform (Slightly), Methanol (Slightly) |
form | Solid |
pka | 3.53±0.25(Predicted) |
color | White to pale brown |
CAS DataBase Reference | 427-49-6(CAS DataBase Reference) |
Safety information for alpha-Cyclopentylmandelic acid
Signal word | Danger |
Pictogram(s) |
![]() Corrosion Corrosives GHS05 ![]() Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H318:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for alpha-Cyclopentylmandelic acid
InChIKey | WFLUEQCOAQCQLP-UHFFFAOYSA-N |
alpha-Cyclopentylmandelic acid manufacturer
Chemixl intermediates pvt Ltd
1Y
Phone:+91-6352568618
Whatsapp: +91- 9824173530
product: 427-49-6 Cyclopentyl Mandelic Acid (CPMA) 98%
Astrix Pharmaceuticals
1Y
Phone:+91-9989993941
Whatsapp: +91-9989993941
product: 2-cyclopentyl-2-hydroxy-2-phenylacetic acid 427-49-6 99.0%
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