tert-Butyl 5-bromothiophene-2-carboxylate CAS 62224-20-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62224-20-8 |
| Molecular Formula | C9H11BrO2S |
| Molecular Weight | 263.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity tert-Butyl 5-bromothiophene-2-carboxylate (CAS 62224-20-8) pharmaceutical standards reference standard. Molecular formula: C9H11BrO2S. Molecular weight: 263.15 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H11BrO2S |
| Molecular Weight | 263.15 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Recommended Standards
- tert-butyl 4-bromo-2-thiophenecarboxylate (CAS 62224-18-4)
- Methyl 2-(4-Bromophenyl)-2,2-di-(methyl-d3)acetate (CAS 1185004-76-5)
- N-(5-bromothiazol-2-yl)pentanamide (CAS 775300-21-5)
- (6R)-3-Methyl-8-oxo-5,5-dioxide-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Diphenylmethyl Ester (CAS 370588-49-1)
- 5-(5-chlorothiophen-2-yl)isoxazol-3-amine (CAS 1267318-33-1)
- KYR8BR2X6O 9004-70-0 Collodion Cellulose, nitrate Collodion, flexible Flexible collodion Nitrocellulose Nitrocellulose solution Pyroxylin Pyroxylin [USP:INN:JAN] RS C 2018 E 1440 H 1/2 RS 1/2 RS Nitrocellulose BK2-W BK2-Z CA 80-15 Celex Celloidin Cellulose nitrate Cellulose tetranitrate CN 85 Collodion cotton Collodion wool Colloxylin Colloxylin VNV Corial EM finish F Daicel RS 1 FM-Nts Fulmicoton Guncotton HSDB 1973 HX 3/5 Kodak LR 115 LR 115 Nitrocel S Nitrocellulose E950 R.S.Nitrocellulose Nitrocotton Nitron Nitron (nitrocellulose) Nixon N/C NP 11 NTs 218 NTs 222 NTs 539 NTs 542 NTs 62 Parlodion Pirossilina [DCIT] Piroxilina [INN-Spanish] Pyralin Pyroxyline [INN-French] Pyroxylinum [INN-Latin] RF 10 Shadolac MT Soluble gun cotton Synpor Tsapolak 964 Xyloidin Pirossilina Piroxilina Pyroxyline Pyroxylinum UNII-KYR8BR2X6O Nitrocellulose, dry or wetted with < 25% water (or alcohol), by mass Nitrocellulose, dry or wetted with <25% water (or alcohol), by mass [UN0340] [Explosive 1.1D] Nitrocellulose, plasticized with not <18% plasticizing substance, by mass [UN0343] [Explosive 1.3C] Nitrocellulose, solution, flammable with not >12.6% nitrogen, by mass, and not >55% nitrocellulose [UN2059] [Flammable liquid] Nitrocellulose, unmodified or plasticized with < 18% plasticizing substance, by mass Nitrocellulose, unmodified or plasticized with <18% plasticizing substance, by mass [UN0341] [Explosive 1.1D] Nitrocellulose, wetted with not <25% alcohol, by mass [UN0342] [Explosive 1.3C] Nitrocellulose with alcohol not <25% alcohol, by mass, and not >12.6% nitrogen, by dry mass [UN2556] [Flammable solid] Nitrocellulose with water not <25% water, by mass [UN2555] [Flammable solid] Pyroxylin solution UN0340 UN0341 UN0342 UN0343 UN2059 UN2555 UN2556 UN2557 Nitrocellulose, with not > 12.6% nitrogen, by dry mass, or Nitrocellulose mixture with pigment or Nitrocellulose mixture with plasticizer or Nitrocellulose mixture with pigment and Nitrocellulose, dry or wetted with <25% water (or alcohol), by mass Nitrocellulose, unmodified or plasticized with <18% plasticizing substance, by mass Nitrocellulose, wetted with not <25% alcohol, by mass Nitrocellulose, plasticized with not <18% plasticizing substance, by mass Nitrocellulose, solution, flammable with not >12.6% nitrogen, by mass, and not >55% nitrocellulose Nitrocellulose with water not <25% water, by mass Nitrocellulose with alcohol not <25% alcohol, by mass, and not >12.6% nitrogen, by dry mass (CAS 9004-70-0)
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- Semaglutide impurity 63 (CAS CATO-C4X-222663)
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