849663-05-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 849663-05-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,9,6,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 849663-05:
(8*8)+(7*4)+(6*9)+(5*6)+(4*6)+(3*3)+(2*0)+(1*5)=214
214 % 10 = 4
So 849663-05-4 is a valid CAS Registry Number.