57742-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57742-43-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,4 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57742-43:
(7*5)+(6*7)+(5*7)+(4*4)+(3*2)+(2*4)+(1*3)=145
145 % 10 = 5
So 57742-43-5 is a valid CAS Registry Number.
57742-43-5Relevant articles and documents
The Formation of Phenylthiirene
Timm, Uwe,Merkle, Ursula,Meier, Herbert
, p. 2519 - 2529 (2007/10/02)
Photolysis and thermolysis of 4- and 5-phenyl-13C>-1,2,3-thiadiazole (4a and 4a') furnish the phenylthioacetic acid O-esters 19 and 21, respectively, and the 1,3-dithioles 22.A product analysis by 13C NMR spectroscopy shows on the b