7-Ethyl-6,7-dihydro[1,2,4]triazolo-[4,3-a]pyrazine-3,8(2H,5H)-dione CAS 1610377-10-0
| CAS No. | 1610377-10-0 |
| Molecular Formula | C7H10N4O2 |
| Molecular Weight | 182.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Ethyl-6,7-dihydro[1,2,4]triazolo-[4,3-a]pyrazine-3,8(2H,5H)-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.
7-Ethyl-6,7-dihydro[1,2,4]triazolo-[4,3-a]pyrazine-3,8(2H,5H)-dione (CAS 1610377-10-0), molecular formula C7H10N4O2 and molecular weight 182.18 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage, 7-Ethyl-6,7-dihydro[1,2,4]triazolo-[4,3-a]pyrazine-3,8(2H,5H)-dione is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 182.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 7-Ethyl-6,7-dihydro[1,2,4]triazolo-[4,3-a]pyrazine-3,8(2H,5H)-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 | C7H10N4O2 |
| Molecular Weight | 182.18 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 4 |
Related Ethyl Standards
- 3-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic Acid (CAS 1239844-59-7)
- Ethyl 5,6-dihydro-4H-pyrrolo[3,4-d]oxazole-2-carboxylate (CAS 1422344-29-3)
- 6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylic acid (CAS 1428233-09-3)
- 6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carboxylic acid (CAS 1428233-77-5)
- 2-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carboxylic acid (CAS 1557851-24-7)
- Ethyl 4,5-dihydro-1H-furo[2,3-c]pyrazole-3-carboxylate (CAS 595610-39-2)
- Methyl 6,7-dihydro-4H-pyrazolo[5,1-c][1,4]oxazine-2-carboxylate (CAS 2115743-47-8)
- 7-Methyl-1,3-dihydro-2-benzofuran-4,5,6-triol (CAS 185018-44-4)
Recommended Standards
- 3-(oxolan-3-yl)-1H-pyrazole-4-carboxylic acid (CAS 1603041-23-1)
- Allyl 3,5-diamino-1H-pyrazole-4-carboxylate (CAS 1613191-73-3)
- 5-Methoxy-2-methyl-3-nitroaniline (CAS 16024-30-9)
- 1-Ethyl-6-methyl-5-nitropyridin-2(1H)-one (CAS 1624262-14-1)
- 2-Fluoro-4,5-dimethoxybenzaldehyde (CAS 71924-62-4)
- 5'-Phenyl-[1,1':3',1''-terphenyl]-2'-thiol (CAS 4435-66-9)
- 4-fluoro-1-methyl-piperidin-3-amine;dihydrochloride (CAS 1785091-96-4)
- 5-(4-Chlorophenyl)-1,2,4-triazin-3-amine (CAS 886497-46-7)
- 4-(4-Fluorophenyl)-1-[(5-methoxy-4,6-dimethyl-pyridin-2-yl)methyl]-1H-1,2,3-triazol-5-amine (CAS 1114597-84-0)
- tert-Butyl (2S)-2-butyl-4-oxopyrrolidine-1-carboxylate (CAS 1212104-70-5)
- 2,7-Dibromo-9H-Carbazole (CAS 136630-39-2)
- 4-(2-Carboxyethyl)-3,5-dimethyl-1H-pyrrole-2-carboxylic acid (CAS 54278-11-4)
- (2-Amino-3-(difluoromethyl)-6-methylpyridin-4-yl)methanol (CAS 1803688-15-4)
- D-[Ser]11-Semaglutide (CAS CATO-CPTD788629)
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