6-Formyl-2-hydroxy-3-methylbenzoic acid CAS 945981-86-2
| CAS No. | 945981-86-2 |
| Molecular Formula | C9H8O4 |
| Molecular Weight | 180.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Formyl-2-hydroxy-3-methylbenzoic 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.
CATO supplies 6-Formyl-2-hydroxy-3-methylbenzoic acid (CAS 945981-86-2), a certified reference material (molecular formula C9H8O4, MW 180.16 g/mol) for analytical method development and quality control.
6-Formyl-2-hydroxy-3-methylbenzoic acid (C9H8O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C9H8O4 |
| Molecular Weight | 180.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
Related Formyl Standards
- 3-Formyl-2-methoxybenzoic acid (CAS 1289170-62-2)
- Methyl 2-Formyl-3-hydroxybenzoate (CAS 131524-43-1)
- Methyl 2-formyl-6-hydroxybenzoate (CAS 136192-84-2)
- Methyl 2-formyl-5-hydroxybenzoate (CAS 1361963-60-1)
- N-(6-Formyl-4-hydroxypyridin-2-yl)acetamide (CAS 1393533-89-5)
- Methyl 3-formyl-5-hydroxybenzoate (CAS 1393545-50-0)
- 2-(3-Formyl-5-hydroxyphenyl)acetic acid (CAS 152880-89-2)
- Methyl 2-formyl-4-hydroxybenzoate (CAS 1701806-37-2)
Recommended Standards
- 6-Aminobenzo[d][1,3]dioxole-5-carboxamide (CAS 53216-40-3)
- 6-Hydroxy-7-methoxybenzofuran-3(2H)-one (CAS 69151-94-6)
- 6-Acetamidopyridine-2-carboxylic acid (CAS 26893-72-1)
- 6-Methoxy-1,3-benzodioxole-5-carbaldehyde (CAS 5780-00-7)
- trans-3,5-Difluorocinnamic acid (CAS 147700-58-1)
- 24327-08-0 4,3-dione, 3a,4,7,7a-tetrahydro-, (3a.alpha.,4.alpha.,7.alpha.,7a.alpha.)- Bicyclo[2.2.2]oct-5-ene-2, cis-endo- Bicyclo[2.2.2]oct-5-ene-2, endo- Bicyclo[2.2.2]octene-2,3-endo-dicarboxylic anhydride NSC-238003 NSC238003 endo-Bicyclo[2.2.2]octenedicarboxcyclic acid anhydride (CAS 24327-08-0)
- Benzyl 2-methyl-3-oxo-1-phenyl-2,5,6,8-tetrahydroimidazo[1,5-a]pyrazine-7(3H)-carboxylate (CAS 1353500-80-7)
- Trimipramine-D (CAS 136765-54-3)
- Ethyl 8-benzyl-5-hydroxy-7-oxo-2-phenyl-7,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate (CAS 76377-80-5)
- N1,N4-Di(pyridin-4-yl)terephthalamide (CAS 216079-39-9)
- 2,6-Dihydroxybenzaldehyde oxime (CAS 1331937-23-5)
- (S)-2-(4-fluorophenyl)piperidine hydrochloride (CAS 1391431-07-4)
- Ethyl 2-amino-4-(2'-methoxy-[1,1'-biphenyl]-4-yl)thiophene-3-carboxylate (CAS 1224164-02-6)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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