Cas 104281-57-4,anti-2-Methyl-2-phenylthiocyclopentanol

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Check Digit Verification of cas no

The CAS Registry Mumber 104281-57-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,4,2,8 and 1 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 104281-57:
(8*1)+(7*0)+(6*4)+(5*2)+(4*8)+(3*1)+(2*5)+(1*7)=94
94 % 10 = 4
So 104281-57-4 is a valid CAS Registry Number.

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104281-57-4Relevant articles and documents

Stereo- and Regio-chemical Control in Phenylthio Migration around Rings of Sizes 5-15

Hannaby, Malcolm,Judson, Philip,Warren, Stuart

, p. 2609 - 2614 (2007/10/02)

Acid-catalysed rearrangement of cyclic alcohols with neighbouring syn or anti phenylthio groups leads to allylic sulfides with endo- or exo-cyclic double bonds.Only the anti alcohols rearrange for ring sizes n=5-10 but the syn alcohol rearranges if n=12 o

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104281-57-4