70571-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70571-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,7 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70571-70:
(7*7)+(6*0)+(5*5)+(4*7)+(3*1)+(2*7)+(1*0)=119
119 % 10 = 9
So 70571-70-9 is a valid CAS Registry Number.
InChI:InChI=1/C30H22FN7O10S3.3Na/c1-38(18-6-3-2-4-7-18)30-34-28(31)33-29(35-30)32-17-10-11-19-16(14-17)15-24(50(43,44)45)25(26(19)39)37-36-22-13-12-20-21(27(22)51(46,47)48)8-5-9-23(20)49(40,41)42;;;/h2-15,36H,1H3,(H,40,41,42)(H,43,44,45)(H,46,47,48)(H,32,33,34,35);;;/q;3*+1/p-3/b37-25+;;;