342387-27-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342387-27-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,3,8 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 342387-27:
(8*3)+(7*4)+(6*2)+(5*3)+(4*8)+(3*7)+(2*2)+(1*7)=143
143 % 10 = 3
So 342387-27-3 is a valid CAS Registry Number.