UB9QUR18NL 253-82-7 Quinazoline 1,3-Benzodiazine Benzo(a)pyrimidine 5,6-Benzopyrimidine 1,3-Diazanaphthalene EINECS 205-965-3 NSC 72372 Phenmiazine UNII-UB9QUR18NL CAS 253-82-7
| CAS No. | 253-82-7 |
| Molecular Formula | C8H16N2 |
| Molecular Weight | 140.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 140.23 g/mol gives UB9QUR18NL 253-82-7 Quinazoline 1,3-Benzodiazine Benzo(a)pyrimidine 5,6-Benzopyrimidine 1,3-Diazanaphthalene EINECS 205-965-3 NSC 72372 Phenmiazine UNII-UB9QUR18NL distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
UB9QUR18NL 253-82-7 Quinazoline 1,3-Benzodiazine Benzo(a)pyrimidine 5,6-Benzopyrimidine 1,3-Diazanaphthalene EINECS 205-965-3 NSC 72372 Phenmiazine UNII-UB9QUR18NL (CAS 253-82-7), molecular formula C8H16N2 and molecular weight 140.23 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of UB9QUR18NL 253-82-7 Quinazoline 1,3-Benzodiazine Benzo(a)pyrimidine 5,6-Benzopyrimidine 1,3-Diazanaphthalene EINECS 205-965-3 NSC 72372 Phenmiazine UNII-UB9QUR18NL (C8H16N2) is characterized by a nitrile group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), UB9QUR18NL 253-82-7 Quinazoline 1,3-Benzodiazine Benzo(a)pyrimidine 5,6-Benzopyrimidine 1,3-Diazanaphthalene EINECS 205-965-3 NSC 72372 Phenmiazine UNII-UB9QUR18NL 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 | C8H16N2 |
| Molecular Weight | 140.23 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) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 2 |
Recommended Standards
- trans-Decahydro-quinoxaline (CAS 51773-44-5)
- 1,5-Diazanaphthalene 1,5-Naphthyridine 1,5-Pyridopyridine 254-79-5 NSC-87514 NSC87514 (CAS 254-79-5)
- trans-decahydroquinoxaline (CAS 32044-25-0)
- 5192-03-0 Q732PG0Y16 5-Aminoindole 1H-Indol-5-amine Indol-5-ylamine EINECS 225-977-2 Indole, 5-amino- NSC 61452 UNII-Q732PG0Y16 (CAS 5192-03-0)
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