2-propynoic acid 471-25-0 Acetylenecarboxylic acid CHEBI:33199 HC#CCOOH Propinsaeure Propiolic acid Propiolsaeure acetylenic acid carboxyacetylene prop-2-ynoic acid propargylic acid propinic acid propynoic acid CAS 471-25-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 471-25-0 |
| Molecular Formula | C3H2O2 |
| Molecular Weight | 70.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-propynoic acid 471-25-0 Acetylenecarboxylic acid CHEBI:33199 HC#CCOOH Propinsaeure Propiolic acid Propiolsaeure acetylenic acid carboxyacetylene prop-2-ynoic acid propargylic acid propinic acid propynoic acid (CAS 471-25-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C3H2O2. Molecular weight: 70.05 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C3H2O2 |
| Molecular Weight | 70.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
Related propynoic Standards
- 2-Propynoic acid, sodium salt (CAS 920-38-7)
- 2-Propynoic acid, 3-cyclopentyl-, ethyl ester (CAS 17931-62-3)
- 2-Propynoic acid, 3-(2-pyrazinyl)-, ethyl ester (CAS 548757-45-5)
- 2-Propynoic acid, 3-(1-hydroxycyclohexyl)-, methyl ester (CAS 72036-33-0)
- 2-Propynoic acid, 3-(4,5-dihydro-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-3-yl)-, phenylmethyl ester (CAS 2583489-87-4)
Recommended Standards
- Tetrazole (CAS 27988-97-2)
- Tetrazole (CAS 288-94-8)
- 1,3,4-Oxadiazole (CAS 288-99-3)
- 1-Mesityl-1,4,5,6-tetrahydropyrimidine (CAS 821779-94-6)
- 2-(4-Bromo-1,5-dimethyl-1H-pyrazol-3-yl)propan-2-ol (CAS 1379338-19-8)
- tert-butyl (tran-1-(4-bromophenyl)-3-hydroxy-3-methylcyclobutyl)carbamate (CAS 1247898-38-9)
- Ramelteon Impurity 38 (CAS 1260675-80-6)
- 2,4-Difluoro-1H-imidazole-5-carboxamide (CAS 89676-63-1)
- Ethyl 3-iodo-8-methoxyquinoline-6-carboxylate (CAS 2721374-09-8)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
Why CATO?
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