1-(3,5-Dibromopyridin-2-yl)thiourea CAS 31545-35-4
| CAS No. | 31545-35-4 |
| Molecular Formula | C6H5Br2N3S |
| Molecular Weight | 311.00 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-(3,5-Dibromopyridin-2-yl)thiourea (CAS 31545-35-4), a certified reference material (molecular formula C6H5Br2N3S, MW 311.00 g/mol) for analytical method development and quality control.
Structurally, 1-(3,5-Dibromopyridin-2-yl)thiourea (C6H5Br2N3S) contains a nitrile group, sulfur-containing functionality, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 311.00 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 1-(3,5-Dibromopyridin-2-yl)thiourea 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 | C6H5Br2N3S |
| Molecular Weight | 311.00 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dibromopyridin Standards
- 1-(2,6-Dibromopyridin-4-yl)thiourea (CAS 1160787-09-6)
- 1-(2,6-Dibromopyridin-3-yl)thiourea (CAS 1355241-48-3)
- Methyl 2-(4,6-dibromopyridin-2-yl)acetate (CAS 1804420-08-3)
- Methyl 2-(3,5-dibromopyridin-2-yl)acetate (CAS 1806352-22-6)
- 1-((3,5-Dibromopyridin-2-yl)methyl)azetidin-3-amine (CAS 1564627-62-8)
- 1-(5,6-Dibromopyridin-3-yl)piperazine (CAS 412347-44-5)
- 4-(3,5-Dibromopyridin-2-yl)morpholine (CAS 1259313-58-0)
- Ethyl 2-(4,6-dibromopyridin-2-yl)acetate (CAS 1805123-44-7)
Recommended Standards
- 4-(4-Bromo-2,6-dichlorophenyl)morpholine (CAS 1708401-79-9)
- 401519-87-7 2-Bromo-N-(2,4-dichlorophenyl)butanamide MFCD03014411 (CAS 401519-87-7)
- 4-fluoro-2-iodo-5-nitrobenzoic acid (CAS 1153279-68-5)
- 2-Bromo-N-(2,3-dichlorophenyl)butanamide (CAS 1343846-19-4)
- 3-(2,3-Dichlorophenyl)piperidine (CAS 1044768-73-1)
- tert-Butyl (4-iodopyridin-2-yl)carbamate (CAS 405939-28-8)
- Ethyl N-[(2Z)-2-{[(4-methoxyphenyl)amino]methylidene}-3-oxobutanoyl]carbamate (CAS 551921-79-0)
- 3-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole (CAS 2304635-36-5)
- 2-(Phenylthio)acetimidamide hydrochloride (CAS 84544-86-5)
- Dapsone Impurity 9 (CAS 5461-23-4)
- (1<I>S</I>-cis)-3-bromo-3,5-cyclohexadiene-1,2-diol (CAS 130792-45-9)
- 27753-52-2 7P62GH41AG Nonabromobiphenyl (mixed isomers) Biphenyl, nonabromo- 1,1'-Biphenyl, nonabromo- Nonabromo-1,1'-biphenyl 1,1-Biphenyl, nonabromo- Bromkal 80-9D EINECS 248-637-5 Nonabromobiphenyl UNII-7P62GH41AG (CAS 27753-52-2)
- 5-chloranyl-1-[5-(hydroxymethyl)-4-oxidanyl-oxolan-2-yl]pyrimidine-2,4-dione 5-chloro-1-[4-hydroxy-5-(hydroxymethyl)-2-oxolanyl]pyrimidine-2,4-dione 50-90-8 A828355 (CAS 50-90-8)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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