906653-84-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 906653-84-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,6,5 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 906653-84:
(8*9)+(7*0)+(6*6)+(5*6)+(4*5)+(3*3)+(2*8)+(1*4)=187
187 % 10 = 7
So 906653-84-7 is a valid CAS Registry Number.