Home > Pharmaceutical Standards > 2-Aminopteridin-6(5H)-one (531-66-8)
2-Aminopteridin-6(5H)-one CAS 531-66-8
Purity 97%+ In Stock Pharmaceutical Standards
CAS No. 531-66-8
Molecular Formula C6H5N5O
Molecular Weight 163.14 g/mol
Category Pharmaceutical Standards / API Standards
Availability In Stock
Description CATO supplies 2-Aminopteridin-6(5H)-one (CAS 531-66-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H5N5O. Molecular weight: 163.14 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties Molecular Formula C6H5N5O Molecular Weight 163.14 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 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 5
Related Aminopteridin Standards
Recommended Standards 1H-[1,2,3]Triazolo[4,5-c]pyridine-1-carboxamide (CAS 31581-52-9) [1,2,4]Triazolo[4,3-b]pyridazine-8-carboxamide (CAS 27427-69-6) 2-aminopyrimido[4,5-d]pyrimidin-4(3H)-one (CAS 89890-99-3) 3-Amino-2-(pyrrolidin-1-yl)propanoic acid (CAS 1342172-73-9) Methyl 4-(Trifluoromethyl)indole-3-carboxylate (CAS 1360892-32-5) 2-((7-Nitro-1H-benzo[d]imidazol-2-yl)thio)acetic acid (CAS 92824-09-4) 5-Methyl-4-nitro-3-(perfluoropropyl)-1H-pyrazole (CAS 82633-69-0) 2,4,6-Ethenylboroxin-pyridine complex (CAS 95010-17-6) 1-Phenyl-2-(triphenylphosphoranyl)ethanone
1-phenyl-2-(triphenyl-$l^{5}-phosphanylidene)ethanone
6048-29-9
NSC6743
Phenacyltriphenylphosphonium
Phenacyltriphenylphosphonium bromide
Phosphonium, (2-oxo-2-phenylethyl)triphenyl-
Phosphonium, (2-oxo-2-phenylethyl)triphenyl-, bromide
Phosphonium, phenacyltriphenyl-
Phosphonium, phenacyltriphenyl-, bromide (CAS 6048-29-9) Semaglutide impurity 251 (CAS CATO-C4X-2226251)
« 7-Methoxycoumarin 2,2’-Bipiperidine »
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