75817-29-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75817-29-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,8,1 and 7 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75817-29:
(7*7)+(6*5)+(5*8)+(4*1)+(3*7)+(2*2)+(1*9)=157
157 % 10 = 7
So 75817-29-7 is a valid CAS Registry Number.