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915303-58-1

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915303-58-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 915303-58-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,5,3,0 and 3 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 915303-58:
(8*9)+(7*1)+(6*5)+(5*3)+(4*0)+(3*3)+(2*5)+(1*8)=151
151 % 10 = 1
So 915303-58-1 is a valid CAS Registry Number.

915303-58-1Downstream Products

915303-58-1Relevant articles and documents

Tandem palladium-catalyzed urea arylation-intramolecular ester amidation: Regioselective synthesis of 3-alkylated 2,4-quinazolinediones

Willis, Michael C.,Snell, Robert H.,Fletcher, Anthony J.,Woodward, Robert L.

, p. 5089 - 5091 (2006)

(Chemical Equation Presented) o-Halo benzoates can be combined with monoalkyl ureas in a tandem palladium-catalyzed arylation-ester amidation sequence to deliver quinazolinedione products. The reactions are regioselective for formation of the 3-N-alkyl isomers. Significant variation of both coupling partners is possible, allowing the synthesis of a diverse array of substituted quinazolinediones, exemplified by the preparation of a simple unsymmetric-dialkylated natural product.

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