854647-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854647-23-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 854647-23:
(8*8)+(7*5)+(6*4)+(5*6)+(4*4)+(3*7)+(2*2)+(1*3)=197
197 % 10 = 7
So 854647-23-7 is a valid CAS Registry Number.