5-Methyl-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic Acid CAS 143809-21-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 143809-21-6 |
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methyl-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic Acid (CAS 143809-21-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H10O4. Molecular weight: 194.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 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.) | 1998 |
Related Methyl Standards
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-hydroxyethanone (CAS 583860-52-0)
- 2-Methyl-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxylic acid (CAS 68281-27-6)
- 5-Methyl-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxylic acid (CAS 70918-40-0)
- 7-Methyl-2,3-dihydrobenzo[b][1,4]dioxine-6-carboxylic acid (CAS 924871-41-0)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)propan-1-ol (CAS 1226194-06-4)
- 2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)propan-2-ol (CAS 163557-41-3)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)propan-2-ol (CAS 35987-38-3)
- 5-Methyl-2,3-dihydrobenzo[b]thiophene-2-carboxylic acid (CAS 1894202-69-7)
Recommended Standards
- Methyl 3-formyl-4-hydroxy-5-methylbenzoate (CAS 1411993-59-3)
- 2-(4-(Methoxymethyl)phenyl)-2-oxoacetic acid (CAS 1443339-17-0)
- 6,7-Dihydroxy-3-methylisochroman-4-one (CAS 1411987-06-8)
- 3-Fluoro-2,3-dihydro-4H-chromen-4-one (CAS 507477-14-7)
- (E)-3-(5-chloro-2-hydroxyphenyl)acrylic acid (CAS 1453186-49-6)
- N-(4-Chlorophenyl)-2-(3-formyl-1h-indol-1-yl)acetamide (CAS 385392-72-3)
- 1-(2-Methylpiperazin-1-yl)nonan-1-one hydrochloride (CAS 1578174-71-6)
- 2-(2-Morpholinoethoxy)benzonitrile (CAS 540753-12-6)
- Sarecycline impurity 7 (CAS CATO-C4X-27987)
- (Des-Thr?)-Glucagon trifluoroacetate salt (CAS 1802078-27-8)
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