Methyl 3,4-Dimethoxy[7 13C]-benzoate CAS 1189921-34-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1189921-34-3 |
| Molecular Formula | C9[13C]H12O4 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity Methyl 3,4-Dimethoxy[7 13C]-benzoate (CAS 1189921-34-3) pharmaceutical standards reference standard. Molecular formula: C9[13C]H12O4. Molecular weight: 197.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9[13C]H12O4 |
| Molecular Weight | 197.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Methyl Standards
- 1,3-Dimethoxy-4-methyl-2-nitrobenzene (CAS 1378831-08-3)
- 1,5-Dimethoxy-2-methyl-3-nitrobenzene (CAS 16024-31-0)
- 2,6-Dimethoxy-5-methylpyridine-3-carboxylic acid (CAS 1879026-28-4)
- 1,2-dimethoxy-4-methyl-5-nitrobenzene (CAS 7509-11-7)
- 1,3-Dimethoxy-5-methyl-2-nitrobenzene (CAS 71867-46-4)
- 1,4-Dimethoxy-2-methyl-5-nitrobenzene (CAS 32185-64-1)
- 1,5-Dimethoxy-2-methyl-4-nitrobenzene (CAS 50342-31-9)
- 4,6-Dimethoxy-2-methylnicotinic acid (CAS 924300-34-5)
Recommended Standards
- 2-(2-Amino-4-hydroxypyrimidin-5-yl)-2-methylpropanoic acid (CAS 1184920-53-3)
- 4-Nitro-1-(tetrahydro-2H-pyran-4-yl-1H-pyrazole (CAS 1190380-50-7)
- 2-(4-Nitro-1h-pyrazol-1-yl)cyclopentan-1-ol (CAS 1183987-94-1)
- 4-(3-Cyanophenyl)-1-butene (CAS 161637-21-4)
- Pyroxamide (CAS 382180-17-8)
- 3,5-Bis(2,2,2-trifluoroethoxy)benzoic acid (CAS 35480-55-8)
- [4-(2-Hydroxyethyl)-1-piperazinyl](4-piperidinyl)-methanone hydrochloride (CAS 1220028-53-4)
- 3,5-Dimethyl-N-propylaniline (CAS 13342-24-0)
- 2-[(Carbamoyloxy)methyl]-2-methylpentyl diethylcarbamate (CAS 25642-80-2)
- Semaglutide Impurity 160 (x TFA Salt) (CAS CATO-C4X-2226160)
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