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1276538-16-9

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1276538-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1276538-16-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,6,5,3 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1276538-16:
(9*1)+(8*2)+(7*7)+(6*6)+(5*5)+(4*3)+(3*8)+(2*1)+(1*6)=179
179 % 10 = 9
So 1276538-16-9 is a valid CAS Registry Number.

1276538-16-9Downstream Products

1276538-16-9Relevant articles and documents

Tandem catalysis: From alkynoic acids and aryl iodides to 1,2,3-triazoles in one pot

Kolarovic, Andrej,Schnuerch, Michael,Mihovilovic, Marko D.

experimental part, p. 2613 - 2618 (2011/06/17)

A tandem catalysis protocol based on decarboxylative coupling of alkynoic acids and 1,3-dipolar cycloaddition of azides enables a highly efficient synthesis of a variety of functionalized 1,2,3-triazoles. The three-step, one-pot method avoids usage of gas

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