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126831-97-8

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126831-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126831-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,8,3 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 126831-97:
(8*1)+(7*2)+(6*6)+(5*8)+(4*3)+(3*1)+(2*9)+(1*7)=138
138 % 10 = 8
So 126831-97-8 is a valid CAS Registry Number.

126831-97-8Downstream Products

126831-97-8Relevant articles and documents

ClSiMe3 AS A REAGENT FOR THE CROTONIC CONDENSATION

Zav'yalov, S. I.,Dorofeeva, O. V.,Rumyantseva, E. E.

, p. 2163 - 2165 (1989)

Trmethylchlorosilane or a mixture of trimethylchlorosilane and zinc chloride may be used as reagents for the crotonic condensation of aldehydes with diethyl malonate and acetylacetone.The corresponding β-chloroketones were obtained upon the reaction of benzaldehyde with acetylacetone, acetophenone, and ω-bromoacetophenone in the presence of a mixture of trimethylchlorosilane and zinc chloride.

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