ethyl (3S,4aR,6R,8aR)-6-hydroxy-2-(tert-butoxycarbonyl)-1,2,3,4,4a,5,6,7,8,8a-decahydroisoquinoline-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 503291-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,3,2,9 and 1 respectively; the second part has 2 digits, 5 and 6 respectively. Calculate Digit Verification of CAS Registry Number 503291-56: (8*5)+(7*0)+(6*3)+(5*2)+(4*9)+(3*1)+(2*5)+(1*6)=123 123 % 10 = 3 So 503291-56-3 is a valid CAS Registry Number.