137427-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137427-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,2 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137427-38:
(8*1)+(7*3)+(6*7)+(5*4)+(4*2)+(3*7)+(2*3)+(1*8)=134
134 % 10 = 4
So 137427-38-4 is a valid CAS Registry Number.