55314-57-3 Ethyl pent-2-yn-1-oate 2-Pentynoic acid, ethyl ester AI3-35772 EINECS 259-588-4 CAS 55314-57-3
| CAS No. | 55314-57-3 |
| Molecular Formula | C7H10O2 |
| Molecular Weight | 126.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
55314-57-3 Ethyl pent-2-yn-1-oate 2-Pentynoic acid, ethyl ester AI3-35772 EINECS 259-588-4 (CAS 55314-57-3) is a high-purity analytical reference standard with the molecular formula C7H10O2 and a molecular weight of 126.15 g/mol.
Structurally, 55314-57-3 Ethyl pent-2-yn-1-oate 2-Pentynoic acid, ethyl ester AI3-35772 EINECS 259-588-4 (C7H10O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 126.15 g/mol, it falls into the low-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 55314-57-3 Ethyl pent-2-yn-1-oate 2-Pentynoic acid, ethyl ester AI3-35772 EINECS 259-588-4 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H10O2 |
| Molecular Weight | 126.15 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.) | 1972 |
Related Ethyl Standards
- Pent-1-en-3-yl acetate (CAS 10500-11-5)
- Pent-4-en-1-yl acetate (CAS 1576-85-8)
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- (2E)-Pent-2-enoyl chloride (CAS 33698-85-0)
- Pent-2-ynoyl chloride (CAS 116428-99-0)
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Recommended Standards
- 4771-80-6 3-Cyclohexene-1-carboxylic acid Cyclohex-3-ene-1-carboxylic acid 4-09-00-00114 (Beilstein Handbook Reference) AI3-32141 BRN 1617723 1-Cyclohexene-4-carboxylic acid 3-Cyclohexenecarboxylic acid delta3-Cyclohexenylcarboxylic acid EINECS 225-314-7 Kyselina 1,2,5,6-tetrahydrobenzoova [Czech] NSC 44712 NSC 44883 Kyselina 1,2,5,6-tetrahydrobenzoova (CAS 4771-80-6)
- 2-Methyl-2,3-butadienoic acid ethyl ester 5717-41-9 Ethyl 1-methylallene-1-carboxylate Ethyl 2,3-butadiene-2-carboxylate Ethyl 2-methyl-2,3-butadienoate (CAS 5717-41-9)
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