Pyrimido[5,4-d]pyrimidine CAS 254-82-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 254-82-0 |
| Molecular Formula | C6H4N4 |
| Molecular Weight | 132.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Pyrimido[5,4-d]pyrimidine (CAS 254-82-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4N4. Molecular weight: 132.12 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4N4 |
| Molecular Weight | 132.12 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Pyrimido Standards
- Pyrimido[4,5-c]pyridazine (CAS 254-62-6)
- Pyrimido[4,5-d]pyridazine (CAS 253-88-3)
- Pyrimido[4,5-d]pyrimidine (CAS 254-64-8)
- Pyrimido[5,4-c]pyridazine (CAS 6133-46-6)
- Pyrimido[4,5-d][1,2,3]triazine (CAS 6133-64-8)
- Pyrimido[5,4-d][1,2,3]triazine (CAS 254-83-1)
- Pyrimido[5,4-e][1,2,4]triazine (CAS 254-99-9)
- 2H-Pyrimido[1,2-a]pyrimidin-2-one (CAS 744255-46-7)
Recommended Standards
- 21743-75-9 4,4,5,5-tetramethyl-2-[4-(1,2,2-trifluoroethenoxy)phenyl]-1,3,2-dioxaborolane 4,4,5,5-tetramethyl-2-[4-[1,2,2-tris(fluoranyl)ethenoxy]phenyl]-1,3,2-dioxaborolane A815639 (CAS 21743-75-9)
- 222727-39-1 38R1Q0L1ZE Fluciclovine F-18 Fluciclovine ((sup 18)F) [INN] Fluciclovine (18F) [INN] Fluciclovine F18 [USAN] UNII-38R1Q0L1ZE (18F)Ge-148 (1R,3R)-1-Amino-3(18f)fluorocyclobutane-1-carboxylic acid anti-(18f)FABC anti-1-Amino-3-(18f)fluorocyclobutane-1-carboxylic acid Fluciclovine (18F) Fluciclovine F 18 Ge-148 (18F) Ge-148 F-18 Fluciclovine ((sup 18)F) (18F)Fluciclovine FACBC GE-148 NMK36 Fluciclovine F18 AxuminCN FACBCCN Fluciclovine (18F)CN GE 148CN NMK 36 (CAS 222727-39-1)
- 868-54-2 OC6G895YHN 2-Amino-1,1,3-tricyanopropene Malononitrile dimer 3-Aminoprop-1-ene-1,1,3-tricarbonitrile 1-Propene-1,1,3-tricarbonitrile, 2-amino- U 9189 4-04-00-03109 (Beilstein Handbook Reference) (1-Amino-2-cyanoethylidene)malononitrile 2-Amino-1,1,3-prop-1-enecarbonitrile 2-Amino-1-propene-1,1,3-tricapbonitrile 2-Amino-1-propene-1,1,3-tricarbonitrile BRN 1756131 EINECS 212-777-5 NSC 77901 1,1,3-Prop-1-enetricarbonitrile, 2-amino- PROPENE-1,1,3-TRICARBONITRILE, 2-AMINO TCAP (VAN) 1,1,3-Tricyano-2-aminopropene 1,1,3-Tricyano-2-amino-1-propene Upjohn 9189 UNII-OC6G895YHN (CAS 868-54-2)
- 7-Chloro-[1,2,4]triazolo[1,5-c]pyrimidine (CAS 1159811-23-0)
- 4-(1-Ethyl-1h-1,2,4-triazol-5-yl)butan-1-amine (CAS 1340496-07-2)
- 6-(3-Nitrophenyl)nicotinaldehyde, 97% (CAS 330812-41-4)
- 1-(acetyloxy)-3-(4-chlorophenyl)-2-propanone (CAS 56955-38-5)
- 2-(Diethylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)nicotinonitrile (CAS 1356068-47-7)
- 1,2,3,6-Tetrahydro-4-(methylthio)-1-(phenylmethyl)-1,3,5-triazine Hydroiodide 1-Benzyl-1,2,3,6-tetrahydro-4-(methylthio)-1,3,5-triazine Hydriodide 1174907-03-9 (CAS 1174907-03-9)
- Neuropeptide S (rat) (CAS 412938-75-1)
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