30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer CAS 30965-26-5
| CAS No. | 30965-26-5 |
| Molecular Formula | C8H12O4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 262.30 g/mol gives 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer (CAS 30965-26-5), a certified reference material (molecular formula C8H12O4C4H10O2, MW 262.30 g/mol) for analytical method development and quality control.
Structurally, 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer (C8H12O4C4H10O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 262.30 g/mol, it falls into the medium-molecular-weight range.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 30965-26-5 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, polymer with 1,4-butanediol 1,4-Benzenedicarboxylic acid, dimethyl ester, 1,4-butanediol polymer 1,4-Butanediol, dimethyl terephthalate polymer Dimethyl terephthalate 1,4-butanediol polymer 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 | C8H12O4 C4H10O2 |
| Molecular Weight | 262.30 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1965 |
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- Cefuroxime Sodium Dimer（Mixture） (CAS CATO-C4X-124522)
- Bis(3-amino-4-hydroxyphenyl)methanone (CAS 22445-98-3)
- 3-Methyl-1-(piperidin-4-yl)azetidin-3-ol (CAS 1439816-95-1)
- 1,3,5-Triphenyl-1,3,5-triazinane-2,4,6-trione (CAS 1785-02-0)
- (S)-3-((5-Bromopyrimidin-2-yl)oxy)quinuclidine (CAS 855292-41-0)
- [3-31]-Semaglutide D (CAS C152H230N42O47)
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