(4-Methoxy-4-oxobutyl)boronic acid CAS 375391-72-3
| CAS No. | 375391-72-3 |
| Molecular Formula | C5H11BO4 |
| Molecular Weight | 145.95 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 (4-Methoxy-4-oxobutyl)boronic acid.
(4-Methoxy-4-oxobutyl)boronic acid (CAS 375391-72-3), molecular formula C5H11BO4 and molecular weight 145.95 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (4-Methoxy-4-oxobutyl)boronic acid (C5H11BO4) contains a carbohydrate-derived structure. The molecule exhibits a degree of unsaturation (DBE) of 0.5, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 145.95 g/mol, it falls into the low-molecular-weight range.
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), (4-Methoxy-4-oxobutyl)boronic acid 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 | C5H11BO4 |
| Molecular Weight | 145.95 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.5 |
| CAS Registry Year (est.) | 2025 |
Related Methoxy Standards
- 4-Methoxy-2,4-dioxobutyric Acid (CAS 13192-05-7)
- (S)-4-Methoxy-3-methyl-4-oxobutanoic acid (CAS 111266-16-1)
- (2s)-4-Methoxy-2-methyl-4-oxo-butanoicacid (CAS 111266-27-4)
- 3-Methoxy-2,2-dimethyl-3-oxopropanoic acid (CAS 13051-21-3)
- 5-Methoxy-4-oxopentanoic acid (CAS 1538259-49-2)
- 4-Methoxy-3-methyl-4-oxobutanoic acid (CAS 32980-25-9)
- Methyl 2-Methoxy-3-oxobutanoate (CAS 81114-96-7)
- Methyl 4-methoxy-3-oxobutanoate (CAS 41051-15-4)
Recommended Standards
- (4-ethynylphenyl)boronic acid (CAS 263368-72-5)
- (Phenylethynyl)boronic acid (CAS 918487-96-4)
- Benzo[d][1,2,3]diazaborinin-1(2H)-ol (CAS 17091-90-6)
- Iodomethane-13C,d3 (Copper Wire Stabilized) (CAS 20710-47-8)
- (5-((4-Chlorobenzyl)thio)-1-methyl-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 318959-22-7)
- 2-(Trifluoromethyl)piperidine-4-carboxylic acid hydrochloride (CAS 2007919-93-7)
- (s)-6-Fluoro-2-(pyrrolidin-3-yl)isoindolin-1-one hydrochloride (CAS 1439894-61-7)
- 5-(bromomethyl)-1,3-dimethyl-1H-pyrazole hydrobromide (CAS 1803597-58-1)
- Methyl 3,5-dibromo-2,4-dihydroxybenzoate (CAS 885279-78-7)
- 3-Amino-4-(p-tolyl)-6-(trifluoromethyl)thieno[2,3-b]pyridine-2-carboxamide (CAS 832737-65-2)
- 3-Ethynyl-3-methyloxetane (CAS 1290541-27-3)
- 1-Bromo-3-ethynyl-2-methoxybenzene (CAS 2229212-84-2)
- Bempedoic Acid Impurity 7 (CAS CATO-C4X-21897)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
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