158656-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158656-49-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,6,5 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 158656-49:
(8*1)+(7*5)+(6*8)+(5*6)+(4*5)+(3*6)+(2*4)+(1*9)=176
176 % 10 = 6
So 158656-49-6 is a valid CAS Registry Number.
158656-49-6Relevant academic research and scientific papers
A Convenient Synthesis of 3,4-Dihydro-2,2-Dioxide-5-Hydroxy-2,1-Benzothiazine
Blondet, Dominique,Pascal, Jean-Claude
, p. 2911 - 2912 (2007/10/02)
3-methoxy-2-methyl-aniline 3 is converted to the benzothiazine-dioxide 1 in a 7-steps procedure: the key transformation being the cyclization of an ortho-functionalized N-benzyl sulfonanilide.
