(S)-cis-1,2,3,4,6,11-hexahydro-1,3,5,12-tetrahydroxy-3-methylnaphthacene-6,11-quinone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 78548-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,4 and 8 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 78548-50: (7*7)+(6*8)+(5*5)+(4*4)+(3*8)+(2*5)+(1*0)=172 172 % 10 = 2 So 78548-50-2 is a valid CAS Registry Number.