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78681-56-8

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78681-56-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78681-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,6,8 and 1 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78681-56:
(7*7)+(6*8)+(5*6)+(4*8)+(3*1)+(2*5)+(1*6)=178
178 % 10 = 8
So 78681-56-8 is a valid CAS Registry Number.

78681-56-8Downstream Products

78681-56-8Relevant articles and documents

4-Alkyl(Aryl)-λ5-phosphorins; 1,4-Dihydrophosphorin/λ5-Phosphorin Rearrangement

Maerkl, Gottfried,Baier, Horst,Liebl, Rainer,Stephenson, David S.

, p. 870 - 918 (2007/10/02)

The 1-R'-4-R-4-methoxy-1,4-dihydrophosphorins 11-17, the 1H- and 13C-NMR spectra and stereochemistry of which are discussed, are formed by reaction of (1Z,4Z)-1,5-dilithio-3-R-3-methoxy-1,4-pentadienes 9 with R'PCL2 R' = aryl, alkyl, N(C2H5)2, OC4H9, SC6

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