149399-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149399-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,3,9 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 149399-87:
(8*1)+(7*4)+(6*9)+(5*3)+(4*9)+(3*9)+(2*8)+(1*7)=191
191 % 10 = 1
So 149399-87-1 is a valid CAS Registry Number.