51897-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51897-39-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,8,9 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 51897-39:
(7*5)+(6*1)+(5*8)+(4*9)+(3*7)+(2*3)+(1*9)=153
153 % 10 = 3
So 51897-39-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H21N7O5/c1-3-27(11-18(31)12-29)16-4-5-19(20(8-16)24-13(2)30)25-26-21-14(9-22)6-17(28(32)33)7-15(21)10-23/h4-8,18,29,31H,3,11-12H2,1-2H3,(H,24,30)/b26-25+