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80953-52-2

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80953-52-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80953-52-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,5 and 3 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80953-52:
(7*8)+(6*0)+(5*9)+(4*5)+(3*3)+(2*5)+(1*2)=142
142 % 10 = 2
So 80953-52-2 is a valid CAS Registry Number.

80953-52-2Relevant articles and documents

Synthesis of Novel Phosphorus Heterocycles: 1,3-Dihydro-2,1-Benzoxaphosphole 1-Oxides

Miles, J. A.,Grabiak, R. C.,Cummins, C.

, p. 1677 - 1682 (2007/10/02)

A class of novel phosphorus heterocycles, 1,3-dihydro-2,1-benzoxaphosphole 1-oxides, has been prepared by two different routes.One general approach involves the cyclization of ortho-substituted phenylphosphinic acid derivatives under either thermal or sol

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