(R)-2-Acetamido-2-cyclopentylacetic acid CAS 2521-85-9
| CAS No. | 2521-85-9 |
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(R)-2-Acetamido-2-cyclopentylacetic acid (CAS 2521-85-9), molecular formula C9H15NO3 and molecular weight 185.22 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, (R)-2-Acetamido-2-cyclopentylacetic acid is typically white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 185.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (R)-2-Acetamido-2-cyclopentylacetic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H15NO3 |
| Molecular Weight | 185.22 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related R Standards
- 1-Acetamido-3-methylcyclopentane-1-carboxylic acid (CAS 1339607-30-5)
- 2-Acetamido-4-cyclopropylbutanoic acid (CAS 1498739-82-4)
- (R)-2-Acetamido-3-cyclobutylpropanoic Acid (CAS 1807937-93-4)
- 2-Acetamido-2-cyclopentylacetic acid (CAS 2521-83-7)
- 2-Acetamido-5-methylhex-4-enoic acid (CAS 32065-57-9)
- Methyl 4-acetamido-1,2,5-oxadiazole-3-carboxylate (CAS 361364-87-6)
- 5-Acetamido-2-chlorophenol (CAS 28443-52-9)
- 6-Acetamido-3-chloro-2-picoline (CAS 160115-16-2)
Recommended Standards
- (E)-4-(2-(Furan-2-yl)vinyl)aniline (CAS 53034-58-5)
- (R)-4-Isopropyl-3-propionyloxazolidin-2-one (CAS 89028-40-0)
- (E)-4-(1H-Indol-3-yl)but-3-en-2-one (CAS 57598-80-8)
- (R)-Phenyl(pyridin-2-yl)methanol (CAS 5583-33-5)
- m-PEG9-Br (CAS 125562-30-3)
- Maleicacid,zincsalt (CAS 7344-42-5)
- 7-Chloro-3-(2,4-dichloro-5-methoxyphenyl)-2-thioxo-2,3-dihydroquinazolin-4(1H)-one (CAS 339014-85-6)
- 5-(4-Chloro-3-methylphenyl)-1H-pyrazole-3-carboxylic acid (CAS 113342-32-8)
- N-((2R,3R,4R,5R,6R)-2-(2,4-dinitrophenoxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)acetamide (CAS 72342-14-4)
- (2-Ethylpyrimidin-4-yl)methanamine (CAS 597561-45-0)
- 3,5-Dipropyl-4H-1,2,4-triazol-4-amine (CAS 46054-70-0)
- ethyl pyridazine-3-carboxylate (CAS 1126-10-9)
- (E)-3-[(2R)-1-methylpyrrolidin-2-yl]prop-2-enoyl chloride (CAS 2305790-22-9)
- [D-Ser8]-Semaglutide A (CAS CATO-C4X-2226116)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com