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137438-47-2

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137438-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137438-47-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,3 and 8 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137438-47:
(8*1)+(7*3)+(6*7)+(5*4)+(4*3)+(3*8)+(2*4)+(1*7)=142
142 % 10 = 2
So 137438-47-2 is a valid CAS Registry Number.

137438-47-2Downstream Products

137438-47-2Relevant articles and documents

Silicomolybdic acid supported on silica gel: An efficient catalyst for Hosomi-Sakurai reactions

Murugan, Kaliyappan,Srimurugan, Sankareswaran,Chen, Chinpiao

experimental part, p. 5621 - 5629 (2011/08/09)

Silicomolybdic acid that is supported on silica gel (50 wt %) efficiently catalyzes the high-yielding Hosomi-Sakurai allylation of carbonyl compounds by allyltrimethylsilane in the presence of benzyl alcohol. The reaction rates of inactive substrates and the yields were greatly increased when preformed acetals were used as substrates.

Iron(III) chloride-catalyzed convenient one-pot synthesis of homoallyl benzyl ethers starting from aldehydes

Watahiki, Tsutomu,Akabane, Yusuke,Mori, Seiji,Oriyama, Takeshi

, p. 3045 - 3048 (2007/10/03)

(Matrix presented) Iron(III) chloride-catalyzed effective allylation reactions of acetals with allyltrimethylsilane proceeded smoothly in high to excellent yields. In addition, this method could be applied to the one-pot synthesis of homoallyl benzyl ethe

Novel reactions of ethylene acetals with silyl-substituted nucleophiles. A mild and efficient procedure for the synthesis of homoallyl alkyl ethers and unsymmetrical dialkyl ethers

Suzuki, Takeshi,Oriyama, Takeshi

, p. 1263 - 1269 (2007/10/03)

Efficient one-pot synthesis of homoallyl alkyl ethers and dialkyl ethers was performed by the allylation and reduction of ethylene acetals with allyltrimethylsilane and t-butyldimethylsilane, respectively, in the presence of alkoxytrimethylsilane.

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