756440-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 756440-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,5,6,4,4 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 756440-38:
(8*7)+(7*5)+(6*6)+(5*4)+(4*4)+(3*0)+(2*3)+(1*8)=177
177 % 10 = 7
So 756440-38-7 is a valid CAS Registry Number.