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1424252-12-9

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1424252-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1424252-12-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,4,2,5 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1424252-12:
(9*1)+(8*4)+(7*2)+(6*4)+(5*2)+(4*5)+(3*2)+(2*1)+(1*2)=119
119 % 10 = 9
So 1424252-12-9 is a valid CAS Registry Number.

1424252-12-9Downstream Products

1424252-12-9Relevant articles and documents

Synthesis and characterization of different types of epoxide-based Mannich polyols from low-cost cashew nut shell liquid

Gandhi, Tejas S.,Patel, Mayank R.,Dholakiya, Bharatkumar Z.

, p. 1223 - 1232 (2014)

Cashew nut shell liquid (CNSL) is a natural aromatic organic oil consisting of phenolic compounds with interesting structures. Extraction of CNSL was performed in a Soxhlet apparatus. The major (90 %) component of CNSL is anacardic acid, which is easily decarboxylated to cardanol (10 %) by use of conventional methods. In this paper we describe a three-step synthesis of Mannich polyols for rigid foams. The first step is synthesis of N-(2-hydroxyethyl)-1,3-oxazolidine (the Mannich precursor) by condensation of paraformaldehyde and diethanolamine. The second step involves synthesis of the Mannich base phenolic ring of cardanol by reaction with N-(2-hydroxyethyl)-1,3- oxazolidine. The third step is alkoxylation. The synthesized polyols were characterized by FTIR and 1H NMR spectroscopy and thin-layer chromatography. Springer Science+Business Media Dordrecht 2013.

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