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91759-48-7

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91759-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91759-48-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,5 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91759-48:
(7*9)+(6*1)+(5*7)+(4*5)+(3*9)+(2*4)+(1*8)=167
167 % 10 = 7
So 91759-48-7 is a valid CAS Registry Number.

91759-48-7Downstream Products

91759-48-7Relevant articles and documents

Reduction of carboxylic acids using esters of benzotriazole as high-reactivity intermediates

Morales-Serna, Jose Antonio,Garcia-Rios, Erendira,Bernal, Jorge,Paleo, Ehecatl,Gavino, Ruben,Cardenas, Jorge

scheme or table, p. 1375 - 1382 (2011/06/19)

Herein, we describe a simple and practical protocol for the reduction of carboxylic acids via the in situ formation of hydroxybenzotriazole esters followed by reaction with sodium borohydride to give the corresponding alcohols. The reaction proceeds with excellent yields in the presence of water. Georg Thieme Verlag Stuttgart - New York.

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