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1190929-75-9

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1190929-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1190929-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,0,9,2 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1190929-75:
(9*1)+(8*1)+(7*9)+(6*0)+(5*9)+(4*2)+(3*9)+(2*7)+(1*5)=179
179 % 10 = 9
So 1190929-75-9 is a valid CAS Registry Number.

1190929-75-9Relevant articles and documents

Carbon-based leaving group in substitution reactions: Functionalization of sp3-hybridized quaternary and tertiary benzylic carbon centers

Mahoney, Stuart J.,Lou, Tiantong,Bondarenko, Ganna,Fillion, Eric

supporting information; experimental part, p. 3474 - 3477 (2012/09/05)

Lewis acid promoted substitution reactions employing Meldrum's acid and 5-methyl Meldrum's acid as carbon-based leaving groups are described which transform unstrained quaternary and tertiary benzylic Csp 3-Csp3 bonds into Csp3-X bonds (X = C, H, N). Importantly, this reaction has a broad scope in terms of both suitable substrates and nucleophiles with good to excellent yields obtained (typically >90%).

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