8,17,19,20-Tetramethoxy-3,13-dithia-tricyclo[13.3.1.16,10]icosa-1(19),6,8,10(20),15,17-hexaene 3,3,13,13-tetraoxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 73593-80-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,5,9 and 3 respectively; the second part has 2 digits, 8 and 0 respectively. Calculate Digit Verification of CAS Registry Number 73593-80: (7*7)+(6*3)+(5*5)+(4*9)+(3*3)+(2*8)+(1*0)=153 153 % 10 = 3 So 73593-80-3 is a valid CAS Registry Number.