321944-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 321944-92-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,9,4 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 321944-92:
(8*3)+(7*2)+(6*1)+(5*9)+(4*4)+(3*4)+(2*9)+(1*2)=137
137 % 10 = 7
So 321944-92-7 is a valid CAS Registry Number.
InChI:InChI=1/C32H34Cl2N4O4S2/c33-27-11-15-29(16-12-27)43(39,40)35-23-31(25-7-3-1-4-8-25)37-19-21-38(22-20-37)32(26-9-5-2-6-10-26)24-36-44(41,42)30-17-13-28(34)14-18-30/h1-18,31-32,35-36H,19-24H2/p+2/t31-,32+