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75280-06-7

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75280-06-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75280-06-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,8 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75280-06:
(7*7)+(6*5)+(5*2)+(4*8)+(3*0)+(2*0)+(1*6)=127
127 % 10 = 7
So 75280-06-7 is a valid CAS Registry Number.

75280-06-7Relevant articles and documents

On the thermal Pummerer rearrangement of substituted sulfoxides

Marzorati, Liliana,Yoshikawa, Eduardo K.C.,Braga, Ataualpa A.C.,Di Vitta, Claudio

, p. 248 - 260 (2014/04/03)

Sulfoxides bearing thioester and ester groups at the position under heating at ca. 140C undergo Pummerer thermal rearrangement. However, for sulfonyl sulfoxide, a complex mixture of products is formed. Plausible mechanism is advanced(equation presented. 2013

SYNTHESIS OF SUBSTITUTED TRANS-1,6-DIMETHYLBICYCLONON-2-ENES USING A CLAISEN REARRANGEMENT OF α-(THIOALKOXY)ESTERS

Richardson, Stewart K.,Sabol, Mark R.,Watt, David S.

, p. 359 - 368 (2007/10/02)

The Claisen rearrangement of α-(thioalkoxy)esters provided access to substituted trans-1,6-dimethylbicyclonon-2-enes characteristic of the CD rings of the cucurbitanes.

Synthesis of Ethyl Arylacetates by Means of Friedel-Crafts Reaction of Aromatic Compounds with Ethyl α-Chloro-α-(methylthio)acetate

Tamura, Yasumitsu,Choi, Hong Dae,Shindo, Hirohisa,Ishibashi, Hiroyuki

, p. 915 - 921 (2007/10/02)

Friedel-Crafts reaction of aromatic compounds with ethyl α-chloro-α-(methylthio)acetate (1) gave ethyl α-(methylthio)arylacetates (2), which were readily converted into ethyl arylacetates (3) by reductive desulfurization with Raney nickel or zinc dust-acetic acid.The reactions were applied to the syntheses of ibufenac (5) and alclofenac (6), which are anti-inflammatory agents.

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