Methyl 3,4-Dihydro-2H-pyran-5-carboxylate CAS 86971-83-7
| CAS No. | 86971-83-7 |
| Molecular Formula | C7H10O3 |
| Molecular Weight | 142.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Methyl 3,4-Dihydro-2H-pyran-5-carboxylate 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.
Methyl 3,4-Dihydro-2H-pyran-5-carboxylate (CAS 86971-83-7) is a high-purity analytical reference standard with the molecular formula C7H10O3 and a molecular weight of 142.15 g/mol.
Based on its molecular formula C7H10O3, Methyl 3,4-Dihydro-2H-pyran-5-carboxylate contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 142.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C7H10O3 |
| Molecular Weight | 142.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1981 |
Related Methyl Standards
- methyl 3,6-dihydro-2H-pyran-4-carboxylate (CAS 105772-14-3)
- Methyl 3,4-Dihydro-2H-pyran-6-carboxylate (CAS 129201-92-9)
- 2-(Dihydro-2H-pyran-4(3H)-ylidene)acetic Acid (CAS 130312-01-5)
- 2-(3,6-Dihydro-2H-pyran-4-yl)acetic acid (CAS 632328-42-8)
- 2-Methyl-4,5-dihydro-furan-3-carboxylicacidmethylester (CAS 32595-98-5)
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- 2-(3-Methyl-4,5-dihydro-1H-pyrazol-1-yl)acetic acid (CAS 1134333-91-7)
- (3,4-Dihydro-2H-pyrrol-5-yl)glycine (CAS 113561-30-1)
Recommended Standards
- methyl 2-tetrahydrofuran-3-ylideneacetate (CAS 362706-22-7)
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- methyl 3-hydroxybicyclo[1.1.1]pentane-1-carboxylate (CAS 2092825-26-6)
- 4-(4-Fluorobenzoyl)-N-(2-methoxyethyl)-1H-pyrrole-2-carboxamide (CAS 478078-61-4)
- (R)-1-(3-methoxy-4-methylphenyl)but-3-en-1-amine (CAS 1270268-27-3)
- N-[4-(1-aminoethyl)phenyl]urea (CAS 954578-48-4)
- 3-Amino-2-(4-chlorophenyl)propanoic acid (CAS 15032-54-9)
- 2-(tert-Butoxy)-1-chloro-4-cyclopropoxybenzene (CAS 1243371-33-6)
- 2,5-Dioxopyrrolidin-1-yl 3-cyano-4-(1H,7H-pyrazolo[1,2-a][1,2,3]triazol-2-yl)benzoate (CAS 1933530-49-4)
- 3-(4-Acetylpiperazin-1-yl)propanamide (CAS 802857-45-0)
- Alizapride Impurity 1 (CAS 59338-92-0)
- 4-(Chloromethyl)-2-(pyridin-2-yl)thiazole, 97% (CAS 342025-41-6)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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