62138-52-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 62138-52-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,2,1,3 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 62138-52:
(7*6)+(6*2)+(5*1)+(4*3)+(3*8)+(2*5)+(1*2)=107
107 % 10 = 7
So 62138-52-7 is a valid CAS Registry Number.