442681-36-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 442681-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,2,6,8 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 442681-36:
(8*4)+(7*4)+(6*2)+(5*6)+(4*8)+(3*1)+(2*3)+(1*6)=149
149 % 10 = 9
So 442681-36-9 is a valid CAS Registry Number.