202745-75-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202745-75-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,7,4 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 202745-75:
(8*2)+(7*0)+(6*2)+(5*7)+(4*4)+(3*5)+(2*7)+(1*5)=113
113 % 10 = 3
So 202745-75-3 is a valid CAS Registry Number.
202745-75-3Relevant articles and documents
Substituted pyrroles
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, (2008/06/13)
Compounds of the formula STR1 wherein R 1 and R 1'' are independently alkyl, aryl, alkenyl or alkynyl;R 2 and R 2'' are independently hydrogen or alkyl;R 4, R 5, R 6 and R 7 each independently are STR2 CH 2 OR 10, CHO, CH 2 NR 11 R 12, hydrogen, halogen,
