1164485-31-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1164485-31-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,6,4,4,8 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1164485-31:
(9*1)+(8*1)+(7*6)+(6*4)+(5*4)+(4*8)+(3*5)+(2*3)+(1*1)=157
157 % 10 = 7
So 1164485-31-7 is a valid CAS Registry Number.