138117-50-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138117-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,1 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138117-50:
(8*1)+(7*3)+(6*8)+(5*1)+(4*1)+(3*7)+(2*5)+(1*0)=117
117 % 10 = 7
So 138117-50-7 is a valid CAS Registry Number.
InChI:InChI=1/C15H13N5O4/c21-11(19-10-3-1-9(2-4-10)15(23)24)5-6-20-8-18-12-13(20)16-7-17-14(12)22/h1-4,7-8H,5-6H2,(H,19,21)(H,23,24)(H,16,17,22)