203061-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 203061-98-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,0,6 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 203061-98:
(8*2)+(7*0)+(6*3)+(5*0)+(4*6)+(3*1)+(2*9)+(1*8)=87
87 % 10 = 7
So 203061-98-7 is a valid CAS Registry Number.