1-oxo-4,5-diphenyl-3,6-dihydro-1H-λ4-[1,2]thiazine-2-carboxylic acid methyl ester is a complex organic compound with the molecular formula C18H17NO2S. It is a derivative of the thiazine ring system, which is a heterocyclic compound containing sulfur and nitrogen atoms. The molecule features a diphenyl group (two phenyl rings) attached to positions 4 and 5 of the thiazine ring, a methyl ester group at the 2-position, and a carbonyl group at the 1-position. 1-oxo-4,5-diphenyl-3,6-dihydro-1H-λ4-[1,2]thiazine-2-carboxylic acid methyl ester is likely to be used in the synthesis of pharmaceuticals or other organic compounds due to its unique structure and functional groups.
The CAS Registry Mumber 21836-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,8,3 and 6 respectively; the second part has 2 digits, 5 and 0 respectively. Calculate Digit Verification of CAS Registry Number 21836-50: (7*2)+(6*1)+(5*8)+(4*3)+(3*6)+(2*5)+(1*0)=100 100 % 10 = 0 So 21836-50-0 is a valid CAS Registry Number.