1145993-98-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1145993-98-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,5,9,9 and 3 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1145993-98:
(9*1)+(8*1)+(7*4)+(6*5)+(5*9)+(4*9)+(3*3)+(2*9)+(1*8)=191
191 % 10 = 1
So 1145993-98-1 is a valid CAS Registry Number.