5,6,7,8,13,13a-hexahydro-13a-(3',4'-dimethoxybenzyl)-2,3-dimethoxy-8-oxoisoquinolo<1,2-b>quinazoline is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 81305-66-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,0 and 5 respectively; the second part has 2 digits, 6 and 6 respectively. Calculate Digit Verification of CAS Registry Number 81305-66: (7*8)+(6*1)+(5*3)+(4*0)+(3*5)+(2*6)+(1*6)=110 110 % 10 = 0 So 81305-66-0 is a valid CAS Registry Number.