(3,4-Dihydroxyphenyl)-2-pyridinyl-methanone Hydrobromide CAS 31749-12-9
| CAS No. | 31749-12-9 |
| Molecular Formula | C12H9NO3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (3,4-Dihydroxyphenyl)-2-pyridinyl-methanone Hydrobromide 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.
CATO supplies (3,4-Dihydroxyphenyl)-2-pyridinyl-methanone Hydrobromide (CAS 31749-12-9), a certified reference material (molecular formula C12H9NO3HBr, MW 296.12 g/mol) for analytical method development and quality control.
Structurally, (3,4-Dihydroxyphenyl)-2-pyridinyl-methanone Hydrobromide (C12H9NO3HBr) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 296.12 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.
Physical & Chemical Properties
| Molecular Formula | C12H9NO3 HBr |
| Molecular Weight | 296.12 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Dihydroxyphenyl Standards
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- 10118-81-7 2-(3,4-dihydroxyphenyl)-2-oxoacetic acid 3,4-Dihydroxybenzoylformic acid (CAS 10118-81-7)
- 1-(2,6-Dihydroxyphenyl)butan-1-one (CAS 10121-26-3)
- 11-(2,3-Dihydroxyphenyl)-3,3,8-trimethyl-2,3,4,5,10,11-hexahydro-1H-dibenzo[b,e][1,4]diazepin-1-one (CAS 1024317-11-0)
- 2-((3,5-Dihydroxyphenyl)amino)acetic acid (CAS 1027531-82-3)
- 1-(2,4-Dihydroxyphenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 104236-78-4)
- 5-[3-(2,4-Dihydroxyphenyl)propyl]-3,4-bis(3-methyl-2-buten-1-yl)-1,2-benzenediolDISCONTINUED (CAS 104494-35-1)
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Recommended Standards
- Methyl 3-bromo-4-chloro-5-methoxybenzoate (CAS 1628540-03-3)
- 4,4-Benzylidenedi-2,5-xylidine (CAS 6370-33-8)
- N-benzyl-7-chloro-4-nitrobenzo[c][1,2,5]oxadiazol-5-amine (CAS 306934-83-8)
- 4-Amino-4-(trifluoromethyl)cyclohexane-1-carboxylic acid (CAS 1315366-72-3)
- H-Phe-Arg-βNA · 2 HCl (CAS 100929-99-5)
- (R)-(2,2-Difluorotetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol (CAS 2820537-02-6)
- 2-[3-(tert-Butyl)phenoxy]-5-methylphenylamine (CAS 946683-02-9)
- 6-Chloro-2-cyclopropylnicotinonitrile (CAS 1774903-75-1)
- 2-Chloro-N-ethylethanamine (CAS 50871-01-7)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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