70208-51-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70208-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,2,0 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 70208-51:
(7*7)+(6*0)+(5*2)+(4*0)+(3*8)+(2*5)+(1*1)=94
94 % 10 = 4
So 70208-51-4 is a valid CAS Registry Number.
InChI:InChI=1/C25H22N4O8S2.2K/c1-16-22(24(30)28(26-16)18-8-12-20(13-9-18)38(32,33)34)6-4-3-5-7-23-17(2)27-29(25(23)31)19-10-14-21(15-11-19)39(35,36)37;;/h3-15,26H,1-2H3,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2/b5-3+,6-4-,23-7-;;