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202326-94-1

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202326-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202326-94-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,3,2 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 202326-94:
(8*2)+(7*0)+(6*2)+(5*3)+(4*2)+(3*6)+(2*9)+(1*4)=91
91 % 10 = 1
So 202326-94-1 is a valid CAS Registry Number.

202326-94-1Downstream Products

202326-94-1Relevant articles and documents

Unusual ambident behavior and novel ring transformation of oxazolo[3,2-a]pyridinium salts

Babaev, Eugene V.,Efimov, Audrey V.,Maiboroda, Dmitriy A.,Jug, Karl

, p. 193 - 196 (1998)

2-Aryloxazolo[3,2-a]pyridinium perchlorate, 1a, and its 5-methyl homologue, 1b, undergo quite different ring transformations when reacting with piperidine. For 1a the opening of the pyridine fragment occurs with formation of the isomeric aminobutadienes 2

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