5-Bromothiophene-2-carbohydrazide CAS 98027-27-1
| CAS No. | 98027-27-1 |
| Molecular Formula | C5H5BrN2OS |
| Molecular Weight | 221.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-Bromothiophene-2-carbohydrazide is closely related to an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-Bromothiophene-2-carbohydrazide (CAS 98027-27-1) is a high-purity analytical reference standard with the molecular formula C5H5BrN2OS and a molecular weight of 221.07 g/mol.
Structurally, 5-Bromothiophene-2-carbohydrazide (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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-Bromothiophene-2-carbohydrazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
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.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Bromothiophene Standards
- 3-Bromothiophene-2-carbohydrazide (CAS 1043593-57-2)
- 2-Bromothiophene-3-carbohydrazide (CAS 1043593-59-4)
- 4-Bromothiophene-2-carbohydrazide (CAS 438219-36-4)
- Methyl 2-bromothiophene-3-carboxylate (CAS 76360-43-5)
- Methyl 3-Bromothiophene-2-carboxylate (CAS 26137-08-6)
- Methyl 4-Bromothiophene-2-carboxylate (CAS 62224-16-2)
- Methyl 4-Bromothiophene-3-carboxylate (CAS 78071-37-1)
- Methyl 5-Bromothiophene-3-carboxylate (CAS 88770-19-8)
Recommended Standards
- 5-Bromo-n'-hydroxythiophene-2-carboximidamide (CAS 892387-29-0)
- Benzenesulfonylbromide (CAS 2297-65-6)
- 5-Bromo-2-methylthiazole-4-carboxamide (CAS 936477-33-7)
- 5-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine (CAS 302554-82-1)
- 1,1'-[(1R,3R)-1,3-dimethyl-1,3-propanediyl]bis[1,1-bis[4-(1,1-dimethylethyl)phenyl]-Phosphine (CAS 1459709-16-0)
- 2-(7-Bromo-1H-indol-3-yl)ethan-1-ol (CAS 936252-65-2)
- Trans-2-benzoylcyclohexane-1-carboxylic acid (CAS 3586-84-3)
- 3-(Bromomethyl)-5-methylpyridine hydrochloride (CAS 182354-92-3)
- 5-(4-Chlorophenyl)isoxazole (CAS 7064-32-6)
- Methyl 2-(4-(hydroxymethyl)-2-nitrophenoxy)acetate (CAS 308815-81-8)
- 4’-Chloro-3’-(trifluoromethyl)acetophenone (CAS 129825-11-2)
- 4-Chloro-1H-benzo[d]imidazol-5-ol (CAS 124841-30-1)
- N-(m-tolyl)tetrahydrothiophen-3-amine (CAS 1019587-26-8)
- CGMP Dependent Kinase Inhibitor Peptide (CAS 82801-73-8)
Why CATO?
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