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129540-83-6

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129540-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129540-83-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,5,4 and 0 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129540-83:
(8*1)+(7*2)+(6*9)+(5*5)+(4*4)+(3*0)+(2*8)+(1*3)=136
136 % 10 = 6
So 129540-83-6 is a valid CAS Registry Number.

129540-83-6Downstream Products

129540-83-6Relevant articles and documents

Preparation and Chemistry of PhI+C≡CI+Ph·2-OTf, Bis[phenyl[[(trifluoromethyl)sulfonyl]oxy]iodo]acetylene, a Novel Difunctional Acetylene, Bis(iodonium) Species and a Stable C2-Transfer Agent

Stang, Peter J.,Zhdankin, Viktor V.

, p. 4571 - 4576 (2007/10/02)

The title compound 2 is readily prepared as a stable microcrystalline solid from bis(tri-/i-butylstannyl)acetylene and PhICN-OTf. It was fully characterized by multinuclear NMR, IR, and elemental analysis. As expected, the electron-deficient acetylene 2 r

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