1329664-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1329664-18-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,2,9,6,6 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1329664-18:
(9*1)+(8*3)+(7*2)+(6*9)+(5*6)+(4*6)+(3*4)+(2*1)+(1*8)=177
177 % 10 = 7
So 1329664-18-7 is a valid CAS Registry Number.