847658-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847658-59-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,6,5 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 847658-59:
(8*8)+(7*4)+(6*7)+(5*6)+(4*5)+(3*8)+(2*5)+(1*9)=227
227 % 10 = 7
So 847658-59-7 is a valid CAS Registry Number.