Methyl 4-hydroxy-3,5-diiodobenzoate CAS 3337-66-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 3337-66-4 |
| Molecular Formula | C8H6I2O3 |
| Molecular Weight | 403.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Methyl 4-hydroxy-3,5-diiodobenzoate (CAS 3337-66-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6I2O3. Molecular weight: 403.94 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6I2O3 |
| Molecular Weight | 403.94 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | I-containing |
Related Methyl Standards
- Methyl 2-hydroxy-3,5-diiodobenzoate (CAS 18071-50-6)
- 2-Hydroxy-3,5-diiodobenzohydrazide (CAS 89011-15-4)
- 4-Hydroxy-3,5-diiodobenzohydrazide (CAS 89011-17-6)
- 3-Hydroxy-5-[(1Z)-2-(4-hydroxyphenyl)ethenyl]phenyl β-D-Glucopyranosiduronic Acid (CAS 387372-23-8)
- 5-Hydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,6,7,8-tetramethoxy-4H-chromen-4-one (CAS 50439-47-9)
- 4-Hydroxy-1-methyl-N-(3-(trifluoromethyl)phenyl)-1H-thieno[3,2-c][1,2]thiazine-3-carboxamide 2,2-dioxide (CAS 303987-73-7)
- 3-Hydroxy-1-(4-methylbenzyl)-4-(thiophene-2-carbonyl)-5-(p-tolyl)-1H-pyrrol-2(5H)-one (CAS 609795-56-4)
- 7-benzyl-2-(4-hydroxy-3-nitrostyryl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one (CAS 1424357-72-1)
Recommended Standards
- 6-Bromo-4-(dibromomethyl)-5,5-dimethylbicyclo[2.1.1]Hexane-1-carboxamide (CAS 313270-34-7)
- Toremifene impurity 6 (CAS CATO-C4X-13976)
- Diatrizoic Acid Impurity 1 (CAS 1383849-83-9)
- (r)-2-Amino-2-(3-ethynylphenyl)ethan-1-ol (CAS 1212910-92-3)
- N,2-Dihydroxy-1-naphthamide (CAS 27287-00-9)
- Hexadecanedioic Acid (CAS 505-54-4)
- 4-(2-Methoxyphenoxy)-6-phenylfuro[2,3-d]pyrimidine (CAS 478063-47-7)
- Ethyl 1-methyl-1H-indole-7-carboxylate (CAS 126691-26-7)
- 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol (CAS 122431-37-2)
- Semaglutide Impurity 186 (CAS CATO-C4X-2226186)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com