3-Amino-4-bromothiophene-2-carboxamide CAS 1378876-49-3
| CAS No. | 1378876-49-3 |
| Molecular Formula | C5H5BrN2OS |
| Molecular Weight | 221.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 3-Amino-4-bromothiophene-2-carboxamide (C5H5BrN2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 221.07 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 3-Amino-4-bromothiophene-2-carboxamide (CAS 1378876-49-3), a certified reference material (molecular formula C5H5BrN2OS, MW 221.07 g/mol) for analytical method development and quality control.
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), 3-Amino-4-bromothiophene-2-carboxamide 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 | C5H5BrN2OS |
| Molecular Weight | 221.07 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-Amino-5-bromothiophene-3-carboxamide (CAS 1823890-30-7)
- 1-(5-amino-3-bromo-1,2-thiazol-4-yl)ethan-1-one (CAS 58955-43-4)
- 2-Amino-1-(3-bromopiperidin-1-yl)ethanone (CAS 1353961-83-7)
- 2-Amino-1-(4-bromo-piperidin-1-yl)-ethanone (CAS 1353981-08-4)
- Methyl 2-amino-4,6-dichloronicotinate (CAS 1044872-40-3)
- 2-Amino-3,5-dichloro-N-hydroxybenzamide (CAS 1130-71-8)
- Methyl 2-amino-3,5-dichloroisonicotinate (CAS 1227002-69-8)
- Methyl 3-amino-4,6-dichloropicolinate (CAS 1379329-39-1)
Recommended Standards
- 1-(2-Aminothiazol-5-yl)-2-bromoethan-1-one (CAS 1377581-56-0)
- 5-Bromo-N-methyl-2-thiazolecarboxamide (CAS 1414958-87-4)
- 5-Bromo-2-methylthiophene-3-carboxylic acid (CAS 1344027-40-2)
- 4-Bromo-1-(2-fluoroethyl)-3,5-dimethyl-1H-pyrazole (CAS 1427011-97-9)
- 3-Cyclopropylisoxazol-5(4H)-one (CAS 17281-11-7)
- (3S,4S)-4-Methyltetrahydrofuran-3-ol (CAS 1932610-18-8)
- Ethyl 4-(4-cyanophenyl)butanoate (CAS 131379-33-4)
- 3',5,5'-TRimethyl-[1,1'-biphenyl]-3-carboxylic acid (CAS 1708844-74-9)
- (E)-Methyl 3-(2-fluorophenyl)acrylate (CAS 104201-65-2)
- 1,2-bis(2-(4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethane tetrahydrochloride (CAS 1923194-81-3)
- Sodium iodohippurate CRS (CAS 5990-94-3)
- Methyl 1-tosyl-1h-indole-5-carboxylate (CAS 110073-78-4)
- 1-(2,6-Dichlorobenzyl)-4-(2,4-difluorobenzoyl)-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 317822-44-9)
- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
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 18665070610 / Nicole.chen@cato-chem.com