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138023-14-0

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138023-14-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138023-14-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,2 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138023-14:
(8*1)+(7*3)+(6*8)+(5*0)+(4*2)+(3*3)+(2*1)+(1*4)=100
100 % 10 = 0
So 138023-14-0 is a valid CAS Registry Number.

138023-14-0Relevant articles and documents

REACTION OF DIHALOCARBENES WITH 2-(BENZYLIDENEAMINO)PYRIDINES. CYCLIZATION OF 2-(BENZYLIDENEAMINO)PYRIDINIUM DIHALOMETHYLIDS TO GIVE 2-ARYL-3-HALOIMIDAZOPYRIDINES

Khlebnikov, A. F.,Kostik, E. I.,Kostikov, R. R.

, p. 636 - 642 (2007/10/02)

Pyridinium dichloromethylids, formed in the reaction of dichlorocarbene with 2-(benzylideneamino)pyridines, undergo intramolecular 1,5-cyclization to give 2-aryl-8-chloroimidazopyridines, which undergo partial conversion to 2-aryl-3-chloro-4H-pyrid

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