1,4-Diethynyl-2-nitrobenzene CAS 113639-27-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 113639-27-3 |
| Molecular Formula | C10H5NO2 |
| Molecular Weight | 171.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Diethynyl-2-nitrobenzene (CAS 113639-27-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H5NO2. Molecular weight: 171.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H5NO2 |
| Molecular Weight | 171.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 1 |
Related Diethynyl Standards
- Diethynyl(phenyl)phosphine oxide (CAS 37755-67-2)
- 1,5-Diethynyl-2,4-difluorobenzene (CAS 1379822-11-3)
- 1,4-Diethynyl-2,3-difluorobenzene (CAS 1430403-93-2)
- 1,4-Diethynyl-2,5-difluorobenzene (CAS 156016-23-8)
- 1,2-Diethynyl-3,4,5,6-tetramethylbenzene (CAS 65103-79-9)
- 1,2-diethynyl-4,5-dimethoxybenzene (CAS 170160-98-2)
- 1,4-Diethynyl-2,5-dimethoxybenzene (CAS 74029-40-6)
- 1,5-Diethynyl-2,4-dimethylbenzene (CAS 1379822-09-9)
Recommended Standards
- 5-Ethyl-4-(hydroxymethyl)isoxazole-3-carboxylic acid (CAS 1134334-00-1)
- 2,4,6-Triaminobenzene-1,3,5-triol (CAS 114491-15-5)
- Ethyl 2-imino-5-methyl-1,3,4-oxadiazole-3(2H)-carboxylate (CAS 111155-05-6)
- 2-Methyl-5-nitrobenzaldehyde (CAS 16634-91-6)
- 1-(4-ethoxyphenyl)piperazine dihydrochloride (CAS 53689-12-6)
- 4-Bromo-N-[2-[[(1,1-dimethylethyl)dimethylsilyl]oxy]ethyl]benzenesulfonamide (CAS 850429-52-6)
- 5-Oxa-2-thia-8-azaspiro[3.5]Nonane 2,2-dioxide (CAS 2092815-18-2)
- Methyl 4-(2-((3-ethyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamido)benzoate (CAS 1040661-66-2)
- 1-(tert-Butoxycarbonyl)-1,2,3,6-tetrahydropyridine-3-carboxylic acid (CAS 86447-14-5)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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