2-Hydroxybut-2-enoic acid CAS 67784-09-2
| CAS No. | 67784-09-2 |
| Molecular Formula | C4H6O3 |
| Molecular Weight | 102.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Hydroxybut-2-enoic acid (CAS 67784-09-2), molecular formula C4H6O3 and molecular weight 102.09 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C4H6O3, 2-Hydroxybut-2-enoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 102.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
As a certified reference material (CRM), 2-Hydroxybut-2-enoic 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 | C4H6O3 |
| Molecular Weight | 102.09 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) | 2.0 |
| CAS Registry Year (est.) | 1976 |
Related Hydroxybut Standards
- 2-Hydroxybut-3-enoic acid (CAS 600-17-9)
- 4-Hydroxybut-2-enoic acid (CAS 4013-24-5)
- 2-Hydroxybut-3-ynoic acid (CAS 38628-65-8)
- (E)-(4-Hydroxybut-1-en-1-yl)boronic acid (CAS 916673-48-8)
- Methyl 2-hydroxybut-3-enoate (CAS 5837-73-0)
- 2-Hydroxybut-3-enenitrile (CAS 5809-59-6)
- Ethyl 2-hydroxybut-3-ynoate (CAS 18418-08-1)
- Ethyl 4-hydroxybut-2-ynoate (CAS 31555-04-1)
Recommended Standards
- 2-(oxiran-2-yl)acetic acid (CAS 33278-09-0)
- 2-(Hydroxymethyl)prop-2-enoic acid (CAS 4370-80-3)
- 2-hydroxycyclopropane-1-carboxylic acid (CAS 92574-19-1)
- 1,3-Dioxolane-2-carbaldehyde (CAS 19800-17-0)
- 4-Hydroxyphenylcarbamic acid benzyl ester (CAS 7107-59-7)
- 4-Hydroxy-2-methylpyrimidine-5-carboxamide (CAS 53135-25-4)
- 1-(4-(Aminomethyl)phenyl)-2,2,2-trifluoroethanol (CAS 214759-63-4)
- 5,6-Dihydroxy-2-methyl-pyrimidine-4-carboxylic acid (CAS 90109-74-3)
- Ezetimibe Impurity 111 (CAS CATO-C4X-1098111)
- 1-(4-Bromo-6-methylpyridin-2-yl)ethan-1-ol (CAS 2403741-65-9)
- 4-(methylsulfanyl)benzene-1-sulfonamide (CAS 3476-16-2)
- 3-Cyclohexyl-5,6,7,8-tetrahydroimidazo[1,5-a]pyrazine (CAS 441064-90-0)
- 8-Amino-3,4-dihydrobenzo[f][1,4]oxazepin-5(2H)-one (CAS 1022974-21-5)
- D-[Val]10-Semaglutide (CAS CATO-CPTD788630)
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