859776-61-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859776-61-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,7,7 and 6 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 859776-61:
(8*8)+(7*5)+(6*9)+(5*7)+(4*7)+(3*6)+(2*6)+(1*1)=247
247 % 10 = 7
So 859776-61-7 is a valid CAS Registry Number.