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121045-14-5

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121045-14-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121045-14-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,0,4 and 5 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 121045-14:
(8*1)+(7*2)+(6*1)+(5*0)+(4*4)+(3*5)+(2*1)+(1*4)=65
65 % 10 = 5
So 121045-14-5 is a valid CAS Registry Number.

121045-14-5Downstream Products

121045-14-5Relevant articles and documents

SELECTIVE PREPARATION AND CYCLIZATION OF 2-(2-HYDROXYPHENYL)-2-(ISOPROPYLTHIO)ETHANOLS. NEW SYNTHESIS OF 1-BENZOFURANS

Ota, Tomomi,Hasegawa, Shun,Inoue, Seiichi,Sato, Kikumasa

, p. 3029 - 3036 (2007/10/02)

Reaction of phenols with 2-(isopropylthio)ethyl acetate activated by sulphuryl chloride afforded 2-phenols regioselectively, via sigmatropic rearrangement of phenoxysulphonium ylides.The ortho-alkylated phenols thus obtained have been cyclized with conc. hydrochloric acid in 2-methoxyethanol to 1-benzofurans. 2-Methyl- and 2-phenyl-1-benzofurans have been prepared similarly.

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