281670-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 281670-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,1,6,7 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 281670-28:
(8*2)+(7*8)+(6*1)+(5*6)+(4*7)+(3*0)+(2*2)+(1*8)=148
148 % 10 = 8
So 281670-28-8 is a valid CAS Registry Number.