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333353-05-2

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333353-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333353-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,5 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 333353-05:
(8*3)+(7*3)+(6*3)+(5*3)+(4*5)+(3*3)+(2*0)+(1*5)=112
112 % 10 = 2
So 333353-05-2 is a valid CAS Registry Number.

333353-05-2Downstream Products

333353-05-2Relevant articles and documents

Facile access to 6-substituted 1,4,5,7-tetrahydropyrrolo[3,4-b]-pyridines via Hantzsch type dimethyl 4-aryl-2-formyl-6-methyl-1,4-dihydropyridine-3,5-dicarboxylates

Chudik,Marchalin,Knesl,Daich,Decroix

, p. 1549 - 1554 (2007/10/03)

Efficient assembly of 6-substituted 4-aryl-5-oxo-1,4,5,7-tetrahydropyrrolo[3,4-b]pyridines (7a-f) is described according to a Hantzsch type reaction from formyl-ester 4 by imination, borohydride reduction and intramolecular thermal amino-ester cyclization

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