Isobutyric Anhydride CAS 97-72-3
| CAS No. | 97-72-3 |
| Molecular Formula | C8H14O3 |
| Molecular Weight | 158.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Isobutyric Anhydride (CAS 97-72-3), molecular formula C8H14O3 and molecular weight 158.19 g/mol, is a CATO reference standard with documented purity and traceability.
Isobutyric Anhydride (C8H14O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Isobutyric Anhydride under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H14O3 |
| Molecular Weight | 158.19 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
Related Isobutyric Standards
- Isobutyric acid phenyl ester (CAS 20279-29-2)
- Isobutyric propionic anhydride (CAS CATO-C3D-262845)
- 3619-17-8 Isobutyric acid, hydrazide Propanoic acid, 2-methyl-, hydrazide 4-02-00-00854 (Beilstein Handbook Reference) AI3-62527 BRN 0605579 Isobutyrohydrazide Isobutyryl hydrazide 2-Methylpropionic acid hydrazide NSC 141139 (CAS 3619-17-8)
- Isobutyric Acid (CAS 79-31-2)
Recommended Standards
- Butyric Anhydride (CAS 106-31-0)
- Empagliflozin Impurity 159 (CAS 2820373-52-0)
- 89-56-5 6GAI2MTV5V 5-Methylsalicylic acid Benzoic acid, 2-hydroxy-5-methyl- 2,5-Cresotic acid 6-Hydroxy-m-toluic acid 4-10-00-00610 (Beilstein Handbook Reference) AI3-25422 BRN 1909076 p-Cresotic acid alpha-Cresotinic acid p-Cresotinic acid EINECS 201-918-6 p-Homosalicylic acid 2-Hydroxy-5-methylbenzoic acid 6-Hydroxy-3-methylbenzoic acid 5-Methyl-2-hydroxybenzoic acid NSC 38518 UNII-6GAI2MTV5V (CAS 89-56-5)
- Empagliflozin Impurity 315 (CAS CATO-C4X-1065315)
- 6-Fluoro-2-methylquinoline-8-carboxylic acid (CAS 1515306-50-9)
- 3,4-Bis(methylsulfanyl)thiophene (CAS 150459-37-3)
- 1-((1,2-Dimethyl-1H-imidazol-4-yl)sulfonyl)piperidine-3-carboxylic acid (CAS 1461616-96-5)
- 4-Amino-8-hydroxyquinoline-2-carboxylic acid (CAS 495409-09-1)
- 1-(3,4-Dichlorophenyl)-2-phenylethan-1-one (CAS 93534-22-6)
- 3,5-Bisbenzyloxybenzaldehyde, 97% (CAS 14615-72-6)
- (R)-1-(Methylamino)propan-2-ol (CAS 131101-46-7)
- Iguratimod Impurity 77 (CAS CATO-C4X-182677)
- Urapidil Impurity 72 (CAS 5259-97-2)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
Why CATO?
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