157355-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157355-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,3,5 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 157355-74:
(8*1)+(7*5)+(6*7)+(5*3)+(4*5)+(3*5)+(2*7)+(1*4)=153
153 % 10 = 3
So 157355-74-3 is a valid CAS Registry Number.