4,9-dibenzyl-2,3,4,7,8,9-hexahydro-benzo[1,2-b;4,5-b']bis[1,4]oxazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 23205-92-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,2,0 and 5 respectively; the second part has 2 digits, 9 and 2 respectively. Calculate Digit Verification of CAS Registry Number 23205-92: (7*2)+(6*3)+(5*2)+(4*0)+(3*5)+(2*9)+(1*2)=77 77 % 10 = 7 So 23205-92-7 is a valid CAS Registry Number.