72737-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72737-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,3 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 72737-54:
(7*7)+(6*2)+(5*7)+(4*3)+(3*7)+(2*5)+(1*4)=143
143 % 10 = 3
So 72737-54-3 is a valid CAS Registry Number.
72737-54-3Relevant articles and documents
Alkanesulfonamido triphenylethylenes
-
, (2008/06/13)
Triphenylethylenes having an N-(dialkylaminoalkyl)alkanesulfonamide substituent in the one of the phenyl rings may be prepared from similarly substituted benzophenones by reaction thereof with a benzyl Grignard reagent followed by dehydration of the resul