128111-67-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128111-67-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,1,1 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128111-67:
(8*1)+(7*2)+(6*8)+(5*1)+(4*1)+(3*1)+(2*6)+(1*7)=101
101 % 10 = 1
So 128111-67-1 is a valid CAS Registry Number.
InChI:InChI=1/C17H23N7O5/c1-23-13(25)6-10(22-17(23)29)15(27)21-11(5-9-7-19-8-20-9)16(28)24-4-2-3-12(24)14(18)26/h7-8,10-12H,2-6H2,1H3,(H2,18,26)(H,19,20)(H,21,27)(H,22,29)/t10-,11+,12+/m1/s1