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121511-12-4

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121511-12-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121511-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,5,1 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 121511-12:
(8*1)+(7*2)+(6*1)+(5*5)+(4*1)+(3*1)+(2*1)+(1*2)=64
64 % 10 = 4
So 121511-12-4 is a valid CAS Registry Number.

121511-12-4Downstream Products

121511-12-4Relevant articles and documents

Silver-catalysed intramolecular cyclisation of 2-alkynylacetophenones and 3-acetyl-2-alkynylpyridines in the presence of ammonia

Dell'Acqua, Monica,Abbiati, Giorgio,Arcadi, Antonio,Rossi, Elisabetta

experimental part, p. 7836 - 7848 (2011/12/02)

Silver-catalysed/microwave-assisted domino reactions of 2-alkynyl-acetophenones and 3-acetyl-2-alkynylpyridines in the presence of ammonia are widely described. In most cases the reaction give a mixture of the imino- and carbo-cyclisation products, with a

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