858843-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858843-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,4 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 858843-13:
(8*8)+(7*5)+(6*8)+(5*8)+(4*4)+(3*3)+(2*1)+(1*3)=217
217 % 10 = 7
So 858843-13-7 is a valid CAS Registry Number.