890344-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 890344-15-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,0,3,4 and 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 890344-15:
(8*8)+(7*9)+(6*0)+(5*3)+(4*4)+(3*4)+(2*1)+(1*5)=177
177 % 10 = 7
So 890344-15-7 is a valid CAS Registry Number.