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1285820-28-1

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1285820-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1285820-28-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,8,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1285820-28:
(9*1)+(8*2)+(7*8)+(6*5)+(5*8)+(4*2)+(3*0)+(2*2)+(1*8)=171
171 % 10 = 1
So 1285820-28-1 is a valid CAS Registry Number.

1285820-28-1Downstream Products

1285820-28-1Relevant articles and documents

Formation of new organoselenium heterocycles and ring reduction of 10-membered heterocycles into seven-membered heterocycles

Hua, Guoxiong,Fuller, Amy L.,Slawin, Alexandra M.Z.,Woollins, J. Derek

, p. 805 - 808 (2011)

Reacting 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4-diselenide [{PhP(Se)(μ-Se)}2], Woollins' reagent, with an equivalent of aromatic diol in refluxing toluene afforded 10-membered phosphorus-selenium heterocycles 1 and 2 with an O-P(Se)-Se-S

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