N-(3-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide CAS 1775336-87-2
| CAS No. | 1775336-87-2 |
| Molecular Formula | C20H21N5O5 |
| Molecular Weight | 411.41 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 N-(3-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide.
N-(3-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775336-87-2) is a high-purity analytical reference standard with the molecular formula C20H21N5O5 and a molecular weight of 411.41 g/mol.
N-(3-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (C20H21N5O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures N-(3-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide 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 | C20H21N5O5 |
| Molecular Weight | 411.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 5 |
Related N Standards
- N-(2-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775402-73-7)
- N-(4-Methoxyphenyl)-2-[4-(5-methyl-1,2,4-oxadiazol-3-yl)-1,3-dioxo-1H,2H,3H,5H,6H,7H,8H-pyrido[1,2-c]pyrimidin-2-yl]acetamide (CAS 1775503-40-6)
- 8-(4-Methoxyphenyl)-2,4-bis(trifluoromethyl)imidazo[1,2-a][1,8]naphthyridine (CAS 439093-80-8)
- N-(4-(4-Methoxyphenyl)thiazol-2-yl)-2-((3-(methylthio)-1,2,4-thiadiazol-5-yl)thio)acetamide (CAS 876880-53-4)
- 9-(4-Methoxyphenyl)-2,4-bis(trifluoromethyl)-[1,2,4]triazolo[4,3-a][1,8]naphthyridine (CAS 343372-39-4)
- N-[(5-{[(4-methoxyphenyl)methyl]sulfanyl}-4-(propan-2-yl)-4H-1,2,4-triazol-3-yl)methyl]-2-methylbenzamide (CAS 400085-69-0)
- N-(1-((4-Methoxyphenyl)sulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)ethanesulfonamide (CAS 946283-78-9)
- 3-(1-(4-Methoxyphenyl)-1H-pyrazol-3-yl)-1-(3-(trifluoromethyl)phenyl)pyridazin-4(1H)-one (CAS 318498-03-2)
Recommended Standards
- 2,2'-((2Z,3Z)-6-nitro-1,4-dihydroquinoxaline-2,3-diylidene)bis(1-phenylethan-1-one) (CAS 150012-79-6)
- (2S,3R)-2-((S)-2-(2,3-Dihydroxybenzamido)-5-guanidinopentanamido)-3-hydroxybutanoic acid (CAS 143651-45-0)
- (3-Bromophenoxy)(tert-butyl)diphenylsilane (CAS 133772-45-9)
- (2R,3S,4R,5R)-2-(Hydroxymethyl)-5-(6-(methylamino)-2-(3-phenoxyprop-1-yn-1-yl)-9H-purin-9-yl)tetrahydrofuran-3,4-diol (CAS 497951-50-5)
- Optovin (CAS 348575-88-2)
- (Z)-3-hydroxy-2-phenylacrylonitrile (CAS 62914-59-4)
- 2,4-Diethyl-3-propyl-1,5-Pentanediol (CAS 41845-37-8)
- 2,5-Bis(trifluoromethyl)benzamide (CAS 53130-46-4)
- (6-Fluoro-2,3-dihydrobenzo[b][1,4]dioxin-5-yl)methanamine (CAS 1783629-00-4)
- Atrasentan Impurity 41 (CAS 178738-93-7)
- 1-(2-Chloroquinolin-4-yl)ethan-1-one (CAS 4295-02-7)
- 3-Hydroxy-2-(trifluoromethyl)benzenesulfonamide (CAS 1243372-66-8)
- 2,3-Dichlorothiophene-5-sulphonyl chloride (CAS 126714-85-0)
- Dendroaspis Natriuretic Peptide (CAS 255721-52-9)
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