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143536-28-1

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143536-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143536-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,3 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 143536-28:
(8*1)+(7*4)+(6*3)+(5*5)+(4*3)+(3*6)+(2*2)+(1*8)=121
121 % 10 = 1
So 143536-28-1 is a valid CAS Registry Number.

143536-28-1Downstream Products

143536-28-1Relevant articles and documents

Tandem Reduction / Intramolecular Hydroxyalkylation of (3-Hydroxyphenyl)alkanoates: a New Regioselective Approach to 1,8-Dihydroxytetralins

Guanti, Giuseppe,Banfi, Luca,Narisano, Enrica,Riva, Renata,Thea, Sergio

, p. 3919 - 3922 (1992)

4-(3-hydroxyphenyl)-butanoates 4, on treatment with DIBALH, followed by hydrolytic work-up, undergo a novel completely regioselective intramolecular hydroxyalkylation reaction to give 1,8-dihydroxytetralins.The yield of the reaction depends heavily on the structure of starting material, best results being achieved with 3,3-disubstituted butanoates.

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