4-Hydroxypyridine-d5 CAS 45503-33-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 45503-33-1 |
| Molecular Formula | C5D5NO |
| Molecular Weight | 100.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Hydroxypyridine-d5 (CAS 45503-33-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5D5NO. Molecular weight: 100.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5D5NO |
| Molecular Weight | 100.13 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1970 |
| Nitrogen Atoms | 1 |
Related Hydroxypyridine Standards
- 4-Hydroxypyridine (CAS 626-64-2)
- 2-Methyl-4-hydroxypyridine (CAS 18615-86-6)
- 2-Hydroxypyridine-N-oxide (CAS 13161-30-3)
- 4-Hydroxypyridine 1-oxide (CAS 6890-62-6)
- 3-Hydroxypyridine N-Oxide (CAS 6602-28-4)
- 3-Hydroxypyridine-2-carbaldehyde (CAS 1849-55-4)
- 5-Hydroxypyridine-2-carbaldehyde (CAS 31191-08-9)
- 5-Ethyl-2-hydroxypyridine (CAS 53428-03-8)
Recommended Standards
- Pyridine-d<SUB>5</SUB> <I>N</I>-oxide (CAS 19639-76-0)
- 1-Cyano-n-methylthioformamide (CAS 13621-47-1)
- N-Nitrosopyrrolidine (CAS 930-55-2)
- (2-(Phenylamino)pyrimidin-5-yl)methanol (CAS 864172-94-1)
- 1,4-Dichloro-5,5-dimethyl-6,7-dihydro-5H-cyclopenta[d]pyridazine (CAS 212180-24-0)
- 1,6-Dimethyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-43-3)
- (5-(2-Fluorophenyl)-1,2,4-oxadiazol-3-yl)methanamine (CAS 1082584-72-2)
- 1-(3-Chlorophenyl)naphthalene (CAS 7731-48-8)
- 2-(3-(4-Chloro-5-methyl-3-nitro-1h-pyrazol-1-yl)adamantan-1-yl)acetic acid (CAS 1004951-68-1)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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