3-Pentynoic Acid CAS 36781-65-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 36781-65-4 |
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Pentynoic Acid (CAS 36781-65-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H6O2. Molecular weight: 98.10 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H6O2 |
| Molecular Weight | 98.10 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.) | 1967 |
Related Pentynoic Standards
- 2-Pentynoic Acid (CAS 5963-77-9)
- 6089-09-4 4-Pentynoic acid Pent-4-ynoic acid 4-02-00-01693 (Beilstein Handbook Reference) BRN 1742047 EINECS 228-028-0 Pent-4-yn-1-oic acid Propargylacetic acid (CAS 6089-09-4)
- 2-Pentynoic Acid Methyl Ester (CAS 24342-04-9)
- 3-Pentynoic Acid Methyl Ester (CAS 22377-43-1)
- 4-Pentynoic Acid Methyl Ester (CAS 21565-82-2)
- 3-Pentynoic Acid Ethyl Ester (CAS 52750-56-8)
- 4-Pentynoic Acid Ethyl Ester (CAS 63093-41-4)
Recommended Standards
- 3-Methylisoxazol-4-amine (CAS 354795-62-3)
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- Cbz-D-beta-Leucine (CAS 245323-45-9)
- 3-(((6-(4-Bromophenoxy)hexyl)oxy)methyl)-3-ethyloxetane (CAS 860815-31-2)
- Aminomethylbenzoic Acid Impurity 11 (CAS 1564748-46-4)
- 3-(Methylsulfonyl)pyridine-2-carboxylic Acid (CAS 61830-06-6)
- 1,1',3,3,3',3'-Hexamethylindotricarbocyanine perchlorate (CAS 16595-48-5)
- (2S,5S)-5-Benzyl-2-(tert-butyl)-3-methylimidazolidin-4-one hydrochloride (CAS 447461-78-1)
- D-Pro37-Tirzepatide (CAS CATO-CPTD788902)
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 13829788188 / jacky.chen@cato-chem.com