37559-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 37559-42-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,5,5 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37559-42:
(7*3)+(6*7)+(5*5)+(4*5)+(3*9)+(2*4)+(1*2)=145
145 % 10 = 5
So 37559-42-5 is a valid CAS Registry Number.
37559-42-5Relevant academic research and scientific papers
REACTIONS OF N-(p-CHLOROSULFONYLPHENYL)MALEIMIDE
Cremlyn, Richard,Nunes, Richardo
, p. 245 - 254 (2007/10/02)
N-Phenylmaleimide reacted with chlorosulfonic acid to give an excellent yield of the sulfonyl chloride (1), which with dimethylamine or aniline (2 equivs.) afforded the corresponding sulfonamides (2,3).However, use of more dimethylamine (4 equivs.) caused
