856084-84-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 856084-84-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,6,0,8 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 856084-84:
(8*8)+(7*5)+(6*6)+(5*0)+(4*8)+(3*4)+(2*8)+(1*4)=199
199 % 10 = 9
So 856084-84-9 is a valid CAS Registry Number.