82138-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82138-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,3 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 82138-57:
(7*8)+(6*2)+(5*1)+(4*3)+(3*8)+(2*5)+(1*7)=126
126 % 10 = 6
So 82138-57-6 is a valid CAS Registry Number.
InChI:InChI=1/C10H9FN2O2/c11-6-1-2-7-8(5-6)13-9(12-7)3-4-10(14)15/h1-2,5H,3-4H2,(H,12,13)(H,14,15)