2-(Hydroxymethyl)terephthalic acid CAS 23405-34-7
| CAS No. | 23405-34-7 |
| Molecular Formula | C9H8O5 |
| Molecular Weight | 196.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(Hydroxymethyl)terephthalic acid (CAS 23405-34-7), a certified reference material (molecular formula C9H8O5, MW 196.16 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H8O5, 2-(Hydroxymethyl)terephthalic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 196.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-(Hydroxymethyl)terephthalic 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 | C9H8O5 |
| Molecular Weight | 196.16 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.) | 1963 |
Related Hydroxymethyl Standards
- 1,5-Bis(hydroxymethyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 79570-58-4)
- 4-(Hydroxymethyl)-3-nitrobenzamide (CAS 69404-57-5)
- 3-(Tris(hydroxymethyl)phosphonio)propanoate (CAS 15931-64-3)
- 3-(4-(Hydroxymethyl)phenoxy)propanoic acid (CAS 101366-61-4)
- Methyl 3-(hydroxymethyl)-2-methoxybenzoate (CAS 1427363-87-8)
- 2-[3-(hydroxymethyl)phenoxy]propanoic acid (CAS 149492-36-4)
- Methyl 2-(hydroxymethyl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-3-carboxylate (CAS 1616500-57-2)
- Methyl-5-(hydroxymethyl)-2-methoxybenzoate (CAS 191604-81-6)
Recommended Standards
- 2-(Carboxymethyl)-6-hydroxybenzoic acid (CAS 42421-12-5)
- 2-(Methylamino)-4-nitrobenzoic acid (CAS 49565-62-0)
- 2-(Carboxymethyl)-5-hydroxybenzoic acid (CAS 67755-25-3)
- 2-(Methylamino)-5-nitrobenzoic acid (CAS 3484-33-1)
- 83529-71-9 Anisofolin A C39H32O14 W1645 (CAS 83529-71-9)
- Methyl 4-oxo-4H-pyrido[1,2-a]pyrimidine-7-carboxylate (CAS 1395493-36-3)
- 1-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)-3-(thiophen-2-ylmethyl)urea (CAS 891090-74-7)
- 4-(Cyclohexyloxy)-3-hydroxybenzamide (CAS 1243451-37-7)
- 159435-02-6 4-Dimethylamino-2-hydroxy-2 inverted exclamation mark -methoxycarbonyl-5 inverted exclamation mark -nitrobenzophenone (CAS 159435-02-6)
- 3-(2,4-Dioxo-3-(4-phenoxyphenyl)imidazolidin-1-yl)benzoic acid (CAS 651748-53-7)
- 2-[(pyrimidin-2-ylsulfanyl)methyl]aniline (CAS 1019613-83-2)
- Methyl 6-cyclopentyl-2-oxo-1,2-dihydropyridine-4-carboxylate (CAS 1495273-79-4)
- 1-((2-(4-Ethylphenyl)-5-methyloxazol-4-yl)methyl)piperidine-4-carboxylic acid (CAS 897769-44-7)
- endo-Arg30-Semaglutide (CAS CATO-C4X-2226281)
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