75543-50-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75543-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,4 and 3 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 75543-50:
(7*7)+(6*5)+(5*5)+(4*4)+(3*3)+(2*5)+(1*0)=139
139 % 10 = 9
So 75543-50-9 is a valid CAS Registry Number.
75543-50-9Relevant academic research and scientific papers
PHENYL-6 PHOSPHA-5 PHENANTHRENE
Nief, Francois,Charrier, Claude,Mathey, Francois,Simalty, Michel
, p. 1441 - 1444 (2007/10/02)
The title compound has been prepared by a three-step method including a ring enlargement of benzyl-5 dibenzophosphole by reaction with benzoyl chloride.
