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1287253-14-8

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1287253-14-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1287253-14-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,7,2,5 and 3 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1287253-14:
(9*1)+(8*2)+(7*8)+(6*7)+(5*2)+(4*5)+(3*3)+(2*1)+(1*4)=168
168 % 10 = 8
So 1287253-14-8 is a valid CAS Registry Number.

1287253-14-8Upstream product

1287253-14-8Relevant articles and documents

Three acylated glycosidic acid methyl esters and two acylated methyl glycosides generated from the convolvulin fraction of seeds of Quamoclit pennata by treatment with indium(III) chloride in methanol

Akiyama, Kousuke,Mineno, Tomoko,Okawa, Masafumi,Kinjo, Junei,Miyashita, Hiroyuki,Yoshimitsu, Hitoshi,Nohara, Toshihiro,Ono, Masateru

, p. 952 - 961 (2013/10/21)

Treatment of the ether-insoluble resin glycoside (convolvulin) fraction from seedsof Quamoclit pennata (Convolvulaceae) with indium(III) chloride in methanol provided three oligoglycosides of hydroxy fatty acid (glycosidic acid) methyl esters and two methyl glycosides, which were partially acylated by a glycosidic acid, 75-hydroxydecanoic acid 7-0-β-d-quinovopyranoside (quamoclinic acid B) and/or two organic acids, (E)-2-methylbut-2-enoic (tiglic) acid and/or 3R-hydroxy-2R-methylbutyric (nilic) acid. Theirstructures were elucidated on the basis of spectroscopic data and chemical conversions.

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