207512-69-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 207512-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,7,5,1 and 2 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 207512-69:
(8*2)+(7*0)+(6*7)+(5*5)+(4*1)+(3*2)+(2*6)+(1*9)=114
114 % 10 = 4
So 207512-69-4 is a valid CAS Registry Number.