202138-07-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202138-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,1,3 and 8 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 202138-07:
(8*2)+(7*0)+(6*2)+(5*1)+(4*3)+(3*8)+(2*0)+(1*7)=76
76 % 10 = 6
So 202138-07-6 is a valid CAS Registry Number.