906723-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 906723-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,6,7,2 and 3 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 906723-81:
(8*9)+(7*0)+(6*6)+(5*7)+(4*2)+(3*3)+(2*8)+(1*1)=177
177 % 10 = 7
So 906723-81-7 is a valid CAS Registry Number.