Cas 120809-26-9,Benzenepropanoic acid, a-1,3-dithian-2-ylidene-b-oxo-, 1,1-dimethylethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 120809-26-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,8,0 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120809-26:
(8*1)+(7*2)+(6*0)+(5*8)+(4*0)+(3*9)+(2*2)+(1*6)=99
99 % 10 = 9
So 120809-26-9 is a valid CAS Registry Number.

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120809-26-9Relevant academic research and scientific papers

Preparation of Protected β-Keto Aldehydes from β-Keto Esters via Selective Reduction of Acyl(alkoxycarbonyl)ketene Dithioacetals

Choi, Eun Bok,Youn, In Kwon,Pak, Chwang Siek

, p. 792 - 794 (1988)

The acyl(alkoxycarbonyl)ketene dithioacetals 2 prepared from the corresponding β-keto esters 1 in almost quantitative yield are reduced selectively with magnesium in methanol and subsequently dealkoxycarbonylated to give protected β-keto aldehydes 4 in hi

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