1-Hydroxyisoguanine CAS 51463-89-9
| CAS No. | 51463-89-9 |
| Molecular Formula | C5H5N5O2 |
| Molecular Weight | 167.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Hydroxyisoguanine.
1-Hydroxyisoguanine (CAS 51463-89-9), molecular formula C5H5N5O2 and molecular weight 167.13 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-Hydroxyisoguanine (C5H5N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 167.13 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-Hydroxyisoguanine 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 | C5H5N5O2 |
| Molecular Weight | 167.13 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 |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 5 |
Recommended Standards
- 6-Formamido-1,2,4-triazine-5-carboxamide (CAS 19359-68-3)
- 2,2,2-Trifluoro-1-(pyrrolidin-1-yl)ethanone (CAS 6442-87-1)
- 4-(Trifluoromethyl)piperidin-2-one (CAS 1803588-50-2)
- 2-Amino-7-hydroxy-[1,2,4]triazolo[1,5-a]pyrimidin-5(1H)-one (CAS 856864-52-3)
- (S)-2-amino-2-(2-chloro-5-methoxyphenyl)ethan-1-ol (CAS 1213650-66-8)
- 7-Bromo-4-methyl-1,3-dihydro-2H-pyrrolo[3,2-c]pyridin-2-one (CAS 1260383-02-5)
- 3-Bromo-4,5,6,7-tetrahydro-8H-cyclopenta[d]pyrazolo[1,5-a]pyrimidin-8-one (CAS 1429309-35-2)
- 4-Cyanophenylzinc iodide 0.5 M in Tetrahydrofuran (CAS 220213-92-3)
- 4-Formyl-2-methylfuran-3-carboxylic acid (CAS 408534-78-1)
- N-[(1-Methyl-1H-imidazol-2-YL)methyl]propan-1-amine (CAS 915922-13-3)
- 3-[(2-methylcyclopropyl)formamido]propanoic acid (CAS 926238-26-8)
- Rotigotine Impurity 37 (CAS CATO-C4X-192737)
- 4-Cyano-N-(5-methylthiazol-2-yl)benzamide (CAS 797016-38-7)
- Fibrinogen-Binding Peptide (CAS 137235-80-4)
Why CATO?
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