N2,N6-Dihydroxypyridine-2,6-bis(carboximidamide) CAS 50545-09-0
| CAS No. | 50545-09-0 |
| Molecular Formula | C7H9N5O2 |
| Molecular Weight | 195.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
N2,N6-Dihydroxypyridine-2,6-bis(carboximidamide) (CAS 50545-09-0), molecular formula C7H9N5O2 and molecular weight 195.18 g/mol, is a CATO reference standard with documented purity and traceability.
N2,N6-Dihydroxypyridine-2,6-bis(carboximidamide) (C7H9N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C7H9N5O2 |
| Molecular Weight | 195.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 5 |
Recommended Standards
- N,N'-(1,3,5-Triazine-2,4-diyl)diacetamide (CAS 5961-78-4)
- N-allyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 292870-71-4)
- N-(Cyclopentylmethyl)-2,2,2-Trifluoro-Acetamide (CAS 666262-49-3)
- N-Hydroxy-3-methyl-4-nitrobenzimidamide (CAS 287942-19-2)
- Ethyl 3-(4-bromo-2-hydroxyphenyl)propanoate (CAS 1261851-85-7)
- 2-Bromo-6-((1,1,1,3,3,3-hexafluoropropan-2-yl)oxy)benzonitrile 1779123-44-2 (CAS 1779123-44-2)
- 2,4-Dibromo-1-(trichloromethoxy)benzene (CAS 1417566-66-5)
- N-(2-(cycloheptylamino)ethyl)furan-2-carboxamide (CAS 797031-41-5)
- 1-(Aminomethyl)-4,4-dimethylcycloheptan-1-ol (CAS 1479907-44-2)
- Enarodustat Impurity 19 (CAS CATO-C4X-322819)
- 2-[(tert-Butoxycarbonylamino)methyl]cyclopropanecarboxylic acid (CAS 1000535-88-5)
- 9-(2-Bromopropyl)-9-methyl-9H-fluorene (CAS 95281-27-9)
- Boc-Leu-Gly-OH (CAS 32991-17-6)
- Palmitoyl Tripeptide -5 · 2 TFA (CAS 623172-56-5)
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