1242267-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242267-87-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,2,6 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1242267-87:
(9*1)+(8*2)+(7*4)+(6*2)+(5*2)+(4*6)+(3*7)+(2*8)+(1*7)=143
143 % 10 = 3
So 1242267-87-3 is a valid CAS Registry Number.