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1239700-69-6

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1239700-69-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239700-69-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,7,0 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1239700-69:
(9*1)+(8*2)+(7*3)+(6*9)+(5*7)+(4*0)+(3*0)+(2*6)+(1*9)=156
156 % 10 = 6
So 1239700-69-6 is a valid CAS Registry Number.

1239700-69-6Downstream Products

1239700-69-6Relevant articles and documents

Catalytic α-Selective Deuteration of Styrene Derivatives

Puleo, Thomas R.,Strong, Alivia J.,Bandar, Jeffrey S.

supporting information, p. 1467 - 1472 (2019/01/25)

We report an operationally simple protocol for the catalytic α-deuteration of styrenes. This process proceeds via the base-catalyzed reversible addition of methanol to styrenes in DMSO-d6 solvent. The concentration of methanol is shown to be critical for high yields and selectivities over multiple competing side reactions. The synthetic utility of α-deuterated styrenes for accessing deuterium-labeled chiral benzylic stereocenters is demonstrated.

Chlorostyrenes in iron-catalyzed biaryl coupling reactions

Guelak, Samet,Jacobivonwangelin, Axel

supporting information; experimental part, p. 1357 - 1361 (2012/03/26)

An effective protocol for iron-catalyzed biaryl syntheses by coupling chlorostyrenes with aryl Grignard reagents requires only mild reaction conditions and tolerates various functional groups. The underlying activation of deactivated aryl chlorides proceeds through a rate-determining coordination of the catalyst to the vinyl substituent and subsequent haptotropic migration along the conjugated πsystem to the site of C-Cl bond cleavage. Copyright

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