69007-90-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69007-90-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,0,0 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 69007-90:
(7*6)+(6*9)+(5*0)+(4*0)+(3*7)+(2*9)+(1*0)=135
135 % 10 = 5
So 69007-90-5 is a valid CAS Registry Number.