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1261555-87-6

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1261555-87-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1261555-87-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,5,5 and 5 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1261555-87:
(9*1)+(8*2)+(7*6)+(6*1)+(5*5)+(4*5)+(3*5)+(2*8)+(1*7)=156
156 % 10 = 6
So 1261555-87-6 is a valid CAS Registry Number.

1261555-87-6Downstream Products

1261555-87-6Relevant articles and documents

An atom-economic synthesis of nitrogen heterocycles from alkynes

Trost, Barry M.,Lumb, Jean-Philip,Azzarelli, Joseph M.

supporting information; experimental part, p. 740 - 743 (2011/04/15)

A robust route to 2,4-disubstituted pyrrole heterocycles relying upon a cascade reaction is reported. The reaction benefits from operational simplicity: it is air and moisture tolerant and is performed at ambient temperature. Control over the reaction conditions provides ready access to isopyrroles, 2,3,4-trisubstituted pyrroles, and 3-substituted pyrollidin-2-ones.

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