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134305-41-2

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134305-41-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134305-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,0 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134305-41:
(8*1)+(7*3)+(6*4)+(5*3)+(4*0)+(3*5)+(2*4)+(1*1)=92
92 % 10 = 2
So 134305-41-2 is a valid CAS Registry Number.

134305-41-2Downstream Products

134305-41-2Relevant articles and documents

Nitriles in heterocyclic synthesis: Synthesis of pyridine, pyrone, benzocoumarin and pyridocoumarin derivatives

Nabil, Mohamed,Khodeir, Mohamed

, p. 783 - 785 (2007/10/02)

Polysubstituted pyridines (IIa) and pyrones (IIIc) have been synthesized from cinnamonitriles (Ia,c) and 2-hydroxyacetophenone.The coumarin derivatives (V) are obtained by the reaction of 3-cyano-4-methylcoumarin (IV) with nitrostyrene (If).The reaction o

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