(5R,6R,11aS)-5-hydroxy-5,6,9,10,11,11a-hexahydro-8H-6,11b-methanofuro[2,3-c]pyrido[1,2-a]azepin-2(4H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 119817-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,8,1 and 7 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 119817-92: (8*1)+(7*1)+(6*9)+(5*8)+(4*1)+(3*7)+(2*9)+(1*2)=154 154 % 10 = 4 So 119817-92-4 is a valid CAS Registry Number.