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94204-33-8

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94204-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94204-33-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,0 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94204-33:
(7*9)+(6*4)+(5*2)+(4*0)+(3*4)+(2*3)+(1*3)=118
118 % 10 = 8
So 94204-33-8 is a valid CAS Registry Number.

94204-33-8Relevant articles and documents

Trimethylchlorosilane and silicon tetrachloride in two novel methodologies for the efficient and mild aldol addition of β-keto esters and malonates to aldehydes

Massa, Antonio,Roscigno, Ada,De Caprariis, Paolo,Filosa, Rosanna,Di Mola, Antonia

supporting information; experimental part, p. 3348 - 3354 (2011/02/23)

Efficient and mild aldol additions of β-keto esters and malonates to aldehydes are described using two novel protocols in the presence of silicon tetrachloride and trimethylchlorosilane, respectively. Scope and limitations of the methods have been discuss

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