9,9;10,10-bis-ethanediyldimercapto-(4ar,8at,9at,10ac)-1,4,4a,5,8,8a,9,9a,10,10a-decahydro-anthracene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 72284-69-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,8 and 4 respectively; the second part has 2 digits, 6 and 9 respectively. Calculate Digit Verification of CAS Registry Number 72284-69: (7*7)+(6*2)+(5*2)+(4*8)+(3*4)+(2*6)+(1*9)=136 136 % 10 = 6 So 72284-69-6 is a valid CAS Registry Number.