20399-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20399-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,9 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20399-40:
(7*2)+(6*0)+(5*3)+(4*9)+(3*9)+(2*4)+(1*0)=100
100 % 10 = 0
So 20399-40-0 is a valid CAS Registry Number.
20399-40-0Relevant articles and documents
Photochemical Synthesis of 2-Substituted Benzothiazoles
Muthusamy, Sengoden,Paramasivam, Rangasamy,Ramakrishnan, Vayalakkavoor T.
, p. 759 - 763 (2007/10/02)
The photochemical reaction of 1-indolethiocarbanilides 1, di- and tri-substituted thioureas 3-5 and 4,4-dimethyl-2,6-dioxothiocyclohexanecarboxanilides 9 affording the respective benzothiazoles are described.
