1234177-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1234177-83-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,1,7 and 7 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1234177-83:
(9*1)+(8*2)+(7*3)+(6*4)+(5*1)+(4*7)+(3*7)+(2*8)+(1*3)=143
143 % 10 = 3
So 1234177-83-3 is a valid CAS Registry Number.