6-Hydroxy-1-methyl-1,4-dihydro-5H-pyrazolo[4,3-d]pyrimidine-5,7(6H)-dione CAS 10505-32-5
| CAS No. | 10505-32-5 |
| Molecular Formula | C28H22N2O10S2 |
| Molecular Weight | 610.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C28H22N2O10S2, 6-Hydroxy-1-methyl-1,4-dihydro-5H-pyrazolo[4,3-d]pyrimidine-5,7(6H)-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 610.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 6-Hydroxy-1-methyl-1,4-dihydro-5H-pyrazolo[4,3-d]pyrimidine-5,7(6H)-dione (CAS 10505-32-5), a certified reference material (molecular formula C28H22N2O10S2, MW 610.61 g/mol) for analytical method development and quality control.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C28H22N2O10S2 |
| Molecular Weight | 610.61 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Hydroxy Standards
- 2,2'-((15-Hydroxy-1,7,13-trithia-4,10-diazacyclohexadecane-4,10-diyl)bis(methylene))bis(quinolin-8-ol) (CAS 343372-35-0)
- 2-Hydroxy Imipramine 2,3,4-Triacetate-β-D-glucopyranuronic acid methyl ester (CAS 1053632-53-3)
- (R)-4-Hydroxy-2,6-bis(4-nitrophenyl)dinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepine 4-sulfide (CAS 1706459-42-8)
- 2-Hydroxy Irinotecan (CAS 1346597-39-4)
- 2,2'-[4-Hydroxy-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-2,6-diyl]bis[quinoline] (CAS 1429427-21-3)
- 2,2'-[(11bS)-4-Hydroxy-4-oxidodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-2,6-diyl]bis[quinoline] (CAS 1502024-23-8)
- N-Hydroxy Tipranavir (CAS 1141510-06-6)
- 21(S)-Hydroxy Montelukast (CAS 184763-29-9)
Recommended Standards
- 6,6'-((4,8-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-1,5-diyl)bis(azanediyl))bis(3-methylbenzenesulfonic acid) (CAS 10449-13-5)
- Azido-PEG4-amido-tri-(carboxyethoxymethyl)-methane (CAS 1398044-51-3)
- Methyl 3-(3-methylbut-2-en-1-yl)-1,4-bis(((2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)-2-naphthoate (CAS 90685-26-0)
- (2R,3R,4R,5S,6S)-2-((benzoyloxy)methyl)-6-methoxytetrahydro-2H-pyran-3,4,5-triyl tribenzoate (CAS 32849-03-9)
- 1,4-difluoro-2-vinyl-benzene (CAS 305371-97-5)
- (2r,3s)-3-amino-4-cyclobutyl-2-hydroxybutanamide Hydrochloride (CAS 1036931-35-7)
- 5-Fluoro-2-(4,4-difluoropiperidin-1-yl)nitrobenzene 1707604-75-8 4,4-difluoro-1-(4-fluoro-2-nitrophenyl)piperidine (CAS 1707604-75-8)
- 2-(3-(4-Bromophenyl)oxetan-3-yl)acetonitrile (CAS 1188264-62-1)
- (Z)-4-Methoxy-1,4-dioxo-3-(pyridin-1-ium-1-yl)-1-(p-tolyl)but-2-ene-2-thiolate (CAS 2417676-80-1)
- 4-Iodo-N-methylaniline (CAS 60577-34-6)
- 1-(2,3-Dimethylphenyl)quinazolin-4(1H)-one (CAS 95773-31-2)
- 5-(tert-Butyl)-1-methyl-1H-pyrazol-3-amine (CAS 591233-81-7)
- 2-(Tert-butylamino)-2-oxoethyl methylcarbamimidothioate hydrochloride (CAS 1047620-47-2)
- Semaglutide (CAS 910463-68-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com