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78089-65-3

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78089-65-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78089-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,8 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 78089-65:
(7*7)+(6*8)+(5*0)+(4*8)+(3*9)+(2*6)+(1*5)=173
173 % 10 = 3
So 78089-65-3 is a valid CAS Registry Number.

78089-65-3Relevant 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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