25653-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 25653-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,6,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 25653-19:
(7*2)+(6*5)+(5*6)+(4*5)+(3*3)+(2*1)+(1*9)=114
114 % 10 = 4
So 25653-19-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H17O4P/c23-27(24-19-12-3-1-4-13-19,25-20-14-5-2-6-15-20)26-22-17-9-11-18-10-7-8-16-21(18)22/h1-17H
25653-19-4Relevant articles and documents
Tribological properties of naphthyl phenyl diphosphates as antiwear additive in polyalkylene glycol and polyurea grease for steel/steel contacts at elevated temperature
Wu, Xinhu,Wang, Xiaobo,Liu, Weimin
, p. 6074 - 6082 (2014/01/23)
Naphthyl phenyl diphosphates: 1-naphthyl diphenyl phosphate (NDP) and 1,5-dihydroxynaphthalene bis(diphenyl phosphate) (DDP) were evaluated as the antiwear additives in polyalkylene glycol and polyurea grease at 200 °C. Results showed that they could effe
