858271-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 858271-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,8,2,7 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 858271-99:
(8*8)+(7*5)+(6*8)+(5*2)+(4*7)+(3*1)+(2*9)+(1*9)=215
215 % 10 = 5
So 858271-99-5 is a valid CAS Registry Number.