876921-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 876921-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,6,9,2 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 876921-75:
(8*8)+(7*7)+(6*6)+(5*9)+(4*2)+(3*1)+(2*7)+(1*5)=224
224 % 10 = 4
So 876921-75-4 is a valid CAS Registry Number.