938434-86-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 938434-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,8,4,3 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 938434-86:
(8*9)+(7*3)+(6*8)+(5*4)+(4*3)+(3*4)+(2*8)+(1*6)=207
207 % 10 = 7
So 938434-86-7 is a valid CAS Registry Number.