858816-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858816-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,8,1 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 858816-92:
(8*8)+(7*5)+(6*8)+(5*8)+(4*1)+(3*6)+(2*9)+(1*2)=229
229 % 10 = 9
So 858816-92-9 is a valid CAS Registry Number.