137103-02-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137103-02-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,0 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137103-02:
(8*1)+(7*3)+(6*7)+(5*1)+(4*0)+(3*3)+(2*0)+(1*2)=87
87 % 10 = 7
So 137103-02-7 is a valid CAS Registry Number.