(4R,11aR)-4-(3,4,5-Trimethoxy-phenyl)-1,4,7,8,11,11a-hexahydro-2,6,9-trioxa-3a-aza-cyclopenta[b]anthracen-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128050-00-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,5 and 0 respectively; the second part has 2 digits, 0 and 0 respectively. Calculate Digit Verification of CAS Registry Number 128050-00: (8*1)+(7*2)+(6*8)+(5*0)+(4*5)+(3*0)+(2*0)+(1*0)=90 90 % 10 = 0 So 128050-00-0 is a valid CAS Registry Number.