56541-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56541-70-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,4 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 56541-70:
(7*5)+(6*6)+(5*5)+(4*4)+(3*1)+(2*7)+(1*0)=129
129 % 10 = 9
So 56541-70-9 is a valid CAS Registry Number.
InChI:InChI=1/C20H25IN6O13P2/c21-9-2-1-3-26(4-9)19-15(30)13(28)10(38-19)5-36-41(32,33)40-42(34,35)37-6-11-14(29)16(31)20(39-11)27-8-25-12-17(22)23-7-24-18(12)27/h1-4,7-8,10-11,13-16,19-20,28-29,31H,5-6H2,(H,32,33)(H,34,35)(H2,22,23,24)/t10-,11-,13-,14-,15-,16-,19-,20-/m1/s1