90920-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90920-27-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,2 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90920-27:
(7*9)+(6*0)+(5*9)+(4*2)+(3*0)+(2*2)+(1*7)=127
127 % 10 = 7
So 90920-27-7 is a valid CAS Registry Number.