72906-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72906-15-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,9,0 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 72906-15:
(7*7)+(6*2)+(5*9)+(4*0)+(3*6)+(2*1)+(1*5)=131
131 % 10 = 1
So 72906-15-1 is a valid CAS Registry Number.
InChI:InChI=1/C34H28N10O10S3.3Na/c35-19-6-12-25(24(36)16-19)42-39-22-9-7-20(8-10-22)38-26-13-11-23(17-27(26)55(46,47)48)41-43-32-28(56(49,50)51)14-18-15-29(57(52,53)54)33(34(45)30(18)31(32)37)44-40-21-4-2-1-3-5-21;;;/h1-17,38,40H,35-37H2,(H,46,47,48)(H,49,50,51)(H,52,53,54);;;/q;3*+1/p-3/b42-39+,43-41+,44-33+;;;