2117-11-5 B5447322HJ 4-Pentyn-2-ol Pent-4-yn-2-ol EINECS 218-321-1 UNII-B5447322HJ CAS 2117-11-5
| CAS No. | 2117-11-5 |
| Molecular Formula | C5H8O |
| Molecular Weight | 84.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2117-11-5 B5447322HJ 4-Pentyn-2-ol Pent-4-yn-2-ol EINECS 218-321-1 UNII-B5447322HJ.
2117-11-5 B5447322HJ 4-Pentyn-2-ol Pent-4-yn-2-ol EINECS 218-321-1 UNII-B5447322HJ (CAS 2117-11-5), molecular formula C5H8O and molecular weight 84.12 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a hydroxyl group, an ether linkage, 2117-11-5 B5447322HJ 4-Pentyn-2-ol Pent-4-yn-2-ol EINECS 218-321-1 UNII-B5447322HJ is typically white to off-white liquid. Its solid-state physicochemical attributes — including a molecular weight of 84.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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), 2117-11-5 B5447322HJ 4-Pentyn-2-ol Pent-4-yn-2-ol EINECS 218-321-1 UNII-B5447322HJ 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 | C5H8O |
| Molecular Weight | 84.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Recommended Standards
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Why CATO?
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