143557-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143557-93-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143557-93:
(8*1)+(7*4)+(6*3)+(5*5)+(4*5)+(3*7)+(2*9)+(1*3)=141
141 % 10 = 1
So 143557-93-1 is a valid CAS Registry Number.
InChI:InChI=1/C28H43N5O12S/c1-6-28(4)23(26(41)31-10-19(36)37)33-24(39)20(12(2)3)32-25(40)21(30-5)22(38)14-8-17(45-28)16(35)9-18(14)46(44)11-13(34)7-15(29)27(42)43/h8-9,12-13,15,20-23,30,34-35,38H,6-7,10-11,29H2,1-5H3,(H,31,41)(H,32,40)(H,33,39)(H,36,37)(H,42,43)/t13-,15-,20-,21-,22-,23-,28+,46?/m0/s1