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19013-29-7

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19013-29-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19013-29-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,0,1 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 19013-29:
(7*1)+(6*9)+(5*0)+(4*1)+(3*3)+(2*2)+(1*9)=87
87 % 10 = 7
So 19013-29-7 is a valid CAS Registry Number.

19013-29-7Relevant articles and documents

CH3SO3H/P2O5 (4:1) as an efficient reagent for the one-pot synthesis of acylaryl methane sulfonates of phenolic

Kaboudin

, p. 887 - 892 (2003)

Methansulfonic acid/di-phosphorus pentoxide (4:1) was found to be an efficient reagent for one-pot synthesis of acylaryl methane sulfonates of phenolic esters via Fries rearrangement. This method is easy, rapid, and high-yielding reactions for the synthesis of acylaryl methane sulfonates.

Pitfalls in assessing the α-effect: Reactions of substituted phenyl methanesulfonates with HOO-, OH-, and substituted phenoxides in H2O

Um, Ik-Hwan,Im, Li-Ra,Buncel, Erwin

body text, p. 8571 - 8577 (2011/03/20)

Toward resolving the current controversy regarding the validity of the α-effect, we have examined the reactions of Y-substituted phenyl methanesulfonates 1a-1l with HOO-, OH-, and Z-substituted phenoxides in the gas phase versus solu

Methanesulfonic acid/phosphorus oxychloride (MAPO) as a new efficient reagent in the fries rearrangement

Kaboudin, Babak

, p. 12865 - 12872 (2007/10/03)

Methanesulfonic acid/phosphorus oxychloride (MAPO) was found to be a new efficient reagent in the Fries rearrangement of phenolic esters. Fries rearrangement of phenolic esters in the presence of MAPO, gave acylaryl methane sulfonates as major products.

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