1183355-71-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1183355-71-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,3,3,5 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1183355-71:
(9*1)+(8*1)+(7*8)+(6*3)+(5*3)+(4*5)+(3*5)+(2*7)+(1*1)=156
156 % 10 = 6
So 1183355-71-6 is a valid CAS Registry Number.