623570-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 623570-12-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,2,3,5,7 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 623570-12:
(8*6)+(7*2)+(6*3)+(5*5)+(4*7)+(3*0)+(2*1)+(1*2)=137
137 % 10 = 7
So 623570-12-7 is a valid CAS Registry Number.