91426-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91426-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,4,2 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91426-38:
(7*9)+(6*1)+(5*4)+(4*2)+(3*6)+(2*3)+(1*8)=129
129 % 10 = 9
So 91426-38-9 is a valid CAS Registry Number.
InChI:InChI=1/C10H8N2O3/c11-5-1-2-8-6(3-5)7(10(14)15)4-9(13)12-8/h1-4H,11H2,(H,12,13)(H,14,15)