20952-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20952-02-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,5 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20952-02:
(7*2)+(6*0)+(5*9)+(4*5)+(3*2)+(2*0)+(1*2)=87
87 % 10 = 7
So 20952-02-7 is a valid CAS Registry Number.