126268-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126268-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,2,6 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 126268-81:
(8*1)+(7*2)+(6*6)+(5*2)+(4*6)+(3*8)+(2*8)+(1*1)=133
133 % 10 = 3
So 126268-81-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H19N5O2.C2H6O4S/c1-3-24-17(23)21-13-9-12-15(16(18)20-13)22-14(10(2)19-12)11-7-5-4-6-8-11;3-1-2-7(4,5)6/h4-10,19H,3H2,1-2H3,(H3,18,20,21,23);3H,1-2H2,(H,4,5,6)/t10-;/m0./s1