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236-09-9

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236-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 236-09-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 2,3 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 236-09:
(5*2)+(4*3)+(3*6)+(2*0)+(1*9)=49
49 % 10 = 9
So 236-09-9 is a valid CAS Registry Number.

236-09-9Downstream Products

236-09-9Relevant articles and documents

Synthesis of Phenanthrooxazoles from 10-(Methoxyimino)phenantrene-9-one

Nicolaides, Demetrios,Varella, Evangelia,Awad, Wajih R.

, p. 7779 - 7786 (2007/10/02)

10-(Methoxyimino)phenanthren-9-one 3 easily reacts with the methyl substituted aromatics 4(a-d), as well as with α-bromo-p-xylene 6 and the α-substituted methyl derivatives 7(a-i), to afford in 5-64percent yield the corresponding 2-aryl substituted phenanthrooxazoles 5(a-g), most probably via a free radical reaction sequence.In several cases the unsubstituted oxazole 12 is also obtained, while reaction of compound 3 with the N-methyl substituted amines 7g and 14(a,b) leads to the aminooxazoles 13 and 15(a,b) respectively.

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