3,4,7,8-Tetrahydropyrimido[5,4-d]pyrimidine CAS 98135-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 98135-33-2 |
| Molecular Formula | C6H8N4 |
| Molecular Weight | 136.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4,7,8-Tetrahydropyrimido[5,4-d]pyrimidine (CAS 98135-33-2) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H8N4. Molecular weight: 136.15 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H8N4 |
| Molecular Weight | 136.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
Related Tetrahydropyrimido Standards
- 1,2,3,4-Tetrahydropyrimido[5,4-d]pyrimidine (CAS 13665-57-1)
- 1,2,3,4-Tetrahydropyrimido[1,2-a]benzimidazole (CAS 27285-86-5)
- 1,3,4,10B-tetrahydropyrimido[2,1-a]isoindol-6(2H)-one (CAS 18440-63-6)
- 6-Oxo-2,3,4,6-tetrahydropyrimido[2,1-b][1,3]thiazine-7-carbonitrile (CAS 2110053-04-6)
- 1,2,3,4-Tetrahydropyrimido[1,2-a]benzimidazole hydrochloride 1417569-94-8 (CAS 1417569-94-8)
- 1,2,3,4-Tetrahydropyrimido[1,2-α]indole HCl (CAS 42456-83-7)
- 5-Methyl-1,2,3,4-tetrahydropyrimido[1,6-a]indole (CAS 54981-16-7)
Recommended Standards
- 3,3-Dimethoxypropane-1,2-diol (CAS 85027-37-8)
- 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine (CAS 20348-23-6)
- 3-(Pyrimidin-5-yl)propanal (CAS 944907-26-0)
- 3,4,5-Triethoxybenzaldehyde (CAS 860724-22-7)
- 1-(3-Chloro-4-iodophenyl)-2,2,2-trifluoroethan-1-one (CAS 2352970-26-2)
- N-(3-Aminophenyl)cyclopentanecarboxamide (CAS 919800-19-4)
- 7-tert-butyl-4-oxo-chromene-2-carboxylic acid (CAS 2759278-11-8)
- Atorvastatin Calcium Propylene Glycol Solvate (CAS 1040350-07-9)
- 3-Azaspiro[5.5]Undecane-9-carboxylic acid hydrochloride (CAS 2287318-50-5)
- D-Thr5-Tirzepatide (CAS CATO-CPTD788926)
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 13829788188 / jacky.chen@cato-chem.com