3,4-difluoro-1h-pyrrole-2-carboxylic acid CAS 160561-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 160561-81-9 |
| Molecular Formula | C5H7F2NO2 |
| Molecular Weight | 151.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3,4-difluoro-1h-pyrrole-2-carboxylic acid (CAS 160561-81-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C5H7F2NO2. Molecular weight: 151.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C5H7F2NO2 |
| Molecular Weight | 151.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related difluoro Standards
- 3,3-Difluoro-5-hydroxypiperidin-2-one (CAS 1256080-98-4)
- (R)-3,3-Difluoro-5-(hydroxymethyl)pyrrolidin-2-one (CAS 1544279-19-7)
- (5S)-3,3-difluoro-5-(hydroxymethyl)pyrrolidin-2-one (CAS 255903-84-5)
- 2,3-difluoro-4-methoxy-pyridine (CAS 1227578-88-2)
- 3,3-Difluoro-4-methoxypiperidine (CAS 1373609-11-0)
- [(2R)-4,4-difluoro-1-methylpyrrolidin-2-yl]methanol (CAS 1408002-86-7)
- (S)-4,4-Difluoro-1-methylpyrrolidine-2-methanol (CAS 1408057-44-2)
- 3,3-Difluoro-1-methylpiperidin-4-ol (CAS 1504212-61-6)
Recommended Standards
- 3,3-Difluoroproline (CAS 168102-06-5)
- 4,4-Difluoropyrrolidine-3-carboxylic acid (CAS 1538809-33-4)
- (S)-3,3-difluoropyrrolidine-2-carboxylic acid (CAS 1821782-74-4)
- 2-[[4-[[4-[(2,4-Diaminopteridin-6-ylMethyl-Methylamino]Benzoyl]Amino]-2-Fluoro-5-Hydroxy-5-Oxopentanoyl]Amino]Pentanedioic Acid (CAS 124716-15-0)
- 3-[(3-Methoxybenzyl)oxy]azetidine (CAS 1220021-66-8)
- (6-(Ethyl(methyl)amino)-2-methylpyridin-3-yl)(phenyl)methanone (CAS 1355172-75-6)
- 4-(o-Tolyl)-1-tosyl-1H-pyrazol-5-amine (CAS 1003992-24-2)
- Metformin Impurity 22 (CAS CATO-C4X-122022)
- Methyl 5,6-difluoronicotinate (CAS 1214336-05-6)
- D-[Ser]8-Semaglutide (CAS CATO-CPTD788632)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com