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130272-62-7

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130272-62-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130272-62-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,7 and 2 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 130272-62:
(8*1)+(7*3)+(6*0)+(5*2)+(4*7)+(3*2)+(2*6)+(1*2)=87
87 % 10 = 7
So 130272-62-7 is a valid CAS Registry Number.

130272-62-7Relevant articles and documents

Towards the diastereoselective functionalization of non-racemic acetal derivatives of η6-arylcarbonyl complexes of tricarbonylchromium

Kendall, Jackie D.,Woodgate, Paul D.

, p. 1083 - 1096 (2007/10/03)

(S)-Butane-1,2,4-triol (2) has been investigated as a potential chiral auxiliary for the formation of non-racemic acetals derived from η6-arylcarbonyl complexes of tricarbonylchromium. Predominantly the cis dioxan (5) was formed from benzaldehyde, leading to preparation of the η6-Cr(CO)3 complex (16), and of the derived complexes (23) and (24). Lithiation-electrophile quenching of these complexes gave a mixture of products arising from ortho and benzylic functionalization. Reaction of acetophenone, or of the η6-Cr(CO)3 complexes (45) or (46), with either the triol (2) or its tris(silyl) ether (15) under conditions of kinetic or thermodynamic control gave an inseparable mixture of acetals.

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