883731-55-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 883731-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,3,7,3 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 883731-55:
(8*8)+(7*8)+(6*3)+(5*7)+(4*3)+(3*1)+(2*5)+(1*5)=203
203 % 10 = 3
So 883731-55-3 is a valid CAS Registry Number.