pragna group in ankleshwar

6-Fluoro-3,4-Dihydro-2H-1-Benzopyran-Benzoyl-2-Carboxylic Acid (NB-3)

  • PRODUCT NAME: 6-Fluoro-3,4-Dihydro-2H-1-Benzopyran-Benzoyl-2-Carboxylic Acid (NB-3)
  • CAS No. : 99199-60-7
  • MOLAR MASS: 196.17 g/mol
  • CHEMICAL FORMULA: C10H9FO3
Sr. No Test Specification Requirements
1 Description A White to off white colour powder
2 Identification By IR The Infra-red Absorption spectrum of the substance being examined should be concordant with the spectrum obtained from NB-3 Working standard.
3 Melting Range Between 118.0°C to 127.0°C
4 Water Content By KF (% w/w) Not more than 1.0 % w/w
5 Related Substances By HPLC (% Area)
Purity Not less than 99.0%
Desfluoro impurity Not more than 0.05%
Maximum individual unknown impurity Not more than 0.50%
Total impurities Not more than 1.0%