13390-52-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13390-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,3,9 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13390-52:
(7*1)+(6*3)+(5*3)+(4*9)+(3*0)+(2*5)+(1*2)=88
88 % 10 = 8
So 13390-52-8 is a valid CAS Registry Number.
InChI:InChI=1/C31H19NO12S3.3Na/c33-45(34,35)42-29-19-6-2-1-5-15(19)16-13-14-24-26-17(9-11-22(29)25(16)26)18-10-12-23-27(28(18)32-24)31(44-47(39,40)41)21-8-4-3-7-20(21)30(23)43-46(36,37)38;;;/h1-8,10-14,25H,9H2,(H,33,34,35)(H,36,37,38)(H,39,40,41);;;/q;3*+1/p-3