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1420990-50-6

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1420990-50-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1420990-50-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,9,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1420990-50:
(9*1)+(8*4)+(7*2)+(6*0)+(5*9)+(4*9)+(3*0)+(2*5)+(1*0)=146
146 % 10 = 6
So 1420990-50-6 is a valid CAS Registry Number.

1420990-50-6Relevant articles and documents

Novel synthesis of angular thiazolo[5,4-f] and [4,5-h]quinazolines, preparation of their linear thiazolo[4,5-g] and [5,4-g]quinazoline analogs

Hédou, Damien,Guillon, Rémi,Lecointe, Charlotte,Logé, Cédric,Chosson, Elizabeth,Besson, Thierry

, p. 3182 - 3191 (2013/04/24)

Synthesis of 9-oxo-8,9-dihydrothiazolo[5,4-f]quinazoline-2-carbonitrile (1) or 6-oxo-6,7-dihydrothiazolo[4,5-h]quinazoline-2-carbonitrile (2) was reinvestigated with the ambition of varying the position of the thiazole ring linked to the quinazolin-4-one

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