205124-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205124-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,1,2 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 205124-98:
(8*2)+(7*0)+(6*5)+(5*1)+(4*2)+(3*4)+(2*9)+(1*8)=97
97 % 10 = 7
So 205124-98-7 is a valid CAS Registry Number.