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78479-68-2

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78479-68-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78479-68-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,4,7 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 78479-68:
(7*7)+(6*8)+(5*4)+(4*7)+(3*9)+(2*6)+(1*8)=192
192 % 10 = 2
So 78479-68-2 is a valid CAS Registry Number.

78479-68-2Relevant articles and documents

Ketalization of Dihydroxy Sulfones (8-S-4 Species) by Cyclodehydration To Form Spirobicyclic Oxysulfurane Oxides (10-S-5 Species)

Lam, William Y.,Martin, J. C.

, p. 4462 - 4468 (1981)

Dihydroxy sulfones 6 and 7 react with the dehydrating agent Ph2S(OC(CF3)2Ph)2 (1) to give sulfurane oxides 8 and 9, respectively.These reactions are thought to be the first examples of direct ketalization of sulfones by dehydration.A possible mechanism fo

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