8-Amino-1,3-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione CAS 21620-13-3
| CAS No. | 21620-13-3 |
| Molecular Formula | C12H11N5O2 |
| Molecular Weight | 257.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 8-Amino-1,3-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
8-Amino-1,3-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione (CAS 21620-13-3) is a high-purity analytical reference standard with the molecular formula C12H11N5O2 and a molecular weight of 257.25 g/mol.
8-Amino-1,3-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione (C12H11N5O2) contains an amino-acid-derived structure, 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), 8-Amino-1,3-dimethylbenzo[g]pteridine-2,4(1H,3H)-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C12H11N5O2 |
| Molecular Weight | 257.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 5 |
Related Amino Standards
- 4-Amino-7-((2R,5S)-5-(hydroxymethyl)-2,5-dihydrofuran-2-yl)-7H-pyrrolo[2,3-d]pyrimidine-5-carbonitrile (CAS 115044-83-2)
- 7-Amino-2-(4-methoxyphenyl)[1,2,4]triazolo[1,5-a]pyrimidin-5(4H)-one (CAS 1354764-86-5)
- 2-[5-Amino-3-(furan-2-yl)-1H-pyrazol-1-yl]-6-methyl-3,4-dihydropyrimidin-4-one (CAS 1416340-51-6)
- 5-Amino-1-(3-methoxyphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1416342-15-8)
- 5-Amino-1-(4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 1416345-16-8)
- 2-(2-(5-Amino-1H-1,2,4-triazol-3-yl)ethyl)isoindoline-1,3-dione (CAS 313499-41-1)
- 3-Amino-5-(4-methoxyphenyl)-1H,5H,6H-pyrazolo[4,3-c]pyridazin-6-one (CAS 338395-98-5)
- 4-amino-1,3-dimethyl-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid (CAS 2774613-92-0)
Recommended Standards
- 7-(Trifluoromethyl)-2h-spiro[benzofuran-3,4'-piperidine] (CAS 2251053-96-8)
- N-((6-Methoxypyridin-3-yl)methyl)tetrazolo[1,5-b]pyridazin-6-amine (CAS 931041-79-1)
- 7-(1,5-Dimethyl-1h-pyrazol-4-yl)pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 957489-92-8)
- N-(4,4-Diethoxybutyl)-2,2,2-trifluoroacetamide (CAS 84633-75-0)
- 4-Ethoxy-2,3-difluorophenol (CAS 126163-56-2)
- 6-(Piperidin-4-yloxy)isoquinolin-1(2H)-one hydrochloride (CAS 923262-96-8)
- 2-Amino-4-(aminomethyl)-6-(difluoromethyl)pyridin-3-ol (CAS 1805213-35-7)
- 2-(4-Fluorophenyl)oxazole (CAS 885268-39-3)
- 2-(Difluoromethyl)-3,6-dimethoxypyridine-5-carboxaldehyde (CAS 1806788-20-4)
- (R)-3-((tert-Butoxycarbonyl)amino)-3-(4-hydroxyphenyl)propanoic acid (CAS 329013-12-9)
- 2-Amino-3-(2-iodophenyl)propanoic acid (CAS 1986-86-3)
- Spiro[indene-1,2'-[1,3]dioxolan]-3(2H)-one (CAS 18539-93-0)
- 3-(4-Methoxyphenyl)-N-(naphthalen-1-yl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 483993-22-2)
- Tirzepatide Impurity 15 (CAS CATO-C4X-324015)
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