126815-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126815-81-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,8,1 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126815-81:
(8*1)+(7*2)+(6*6)+(5*8)+(4*1)+(3*5)+(2*8)+(1*1)=134
134 % 10 = 4
So 126815-81-4 is a valid CAS Registry Number.
InChI:InChI=1/C9H12N2O3.C8H7N3O2/c10-6-3-5(1-2-8(6)12)4-7(11)9(13)14;9-5-3-1-2-4-6(5)8(13)11-10-7(4)12/h1-3,7,12H,4,10-11H2,(H,13,14);1-3H,9H2,(H,10,12)(H,11,13)/t7-;/m0./s1