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15573-55-4

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15573-55-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15573-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,7 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15573-55:
(7*1)+(6*5)+(5*5)+(4*7)+(3*3)+(2*5)+(1*5)=114
114 % 10 = 4
So 15573-55-4 is a valid CAS Registry Number.

15573-55-4Relevant articles and documents

HYDROXYDIHYDROFURANS. XX. STRUCTURE OF 2-HYDROXY-5,5-DIMETHYL-2-tert-BUTYL-4-PHENYL-(p-TOLYL)-2,5-DIHYDROFURANS

Yakovlev, S. V.,Serkova, V. I.,Pavlova, L. A.

, p. 1780 - 1782 (2007/10/02)

4-Phenyl- and 4-p-tolyl-2-hydroxy-5,5-dimethyl-2-tert-butyl-2,5-dihydrofurans exist in the cyclic form.When heated with dilute sulfuric acid, they are converted into the isomeric ethylenic γ-keto alcohols.After prolonged standing and when heated they are cleaved to form the corresponding butenolides.

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