2,3-dimethoxy-(4brN,10cc)-14,15-dihydro-10cH-[1,3]dioxolo[4'',5'':6',7']indeno[2',1':4,5]oxazolo[4,3-a]isoquinolin-5-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 71622-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,2 and 2 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 71622-50: (7*7)+(6*1)+(5*6)+(4*2)+(3*2)+(2*5)+(1*0)=109 109 % 10 = 9 So 71622-50-9 is a valid CAS Registry Number.