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1286680-39-4

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1286680-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1286680-39-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,6,6,8 and 0 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1286680-39:
(9*1)+(8*2)+(7*8)+(6*6)+(5*6)+(4*8)+(3*0)+(2*3)+(1*9)=194
194 % 10 = 4
So 1286680-39-4 is a valid CAS Registry Number.

1286680-39-4Downstream Products

1286680-39-4Relevant academic research and scientific papers

Studies on tetrahydrofuran-based highly O-functionalized alkynes: Applications to synthesis of tetrahydrofuranyl-polyynes and C-nucleoside analogues

Reddy, P. Venkat,Bajpai, Vikas,Kumar, Brijesh,Shaw, Arun K.

, p. 1575 - 1586 (2011/04/22)

The enantiomerically pure tetrahydrofuranylalkynes 17-20 were synthesized by using various methods. By utilizing these alkynes, an efficient CuI-catalysed sp-sp carbon homo-coupling protocol in dry DMF without other additives (like amine or base, phosphan

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