Cas 148404-16-4,4-methoxy-4'-(2-pyrrolidinoethoxy) chalkone

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Check Digit Verification of cas no

The CAS Registry Mumber 148404-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,4,0 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 148404-16:
(8*1)+(7*4)+(6*8)+(5*4)+(4*0)+(3*4)+(2*1)+(1*6)=124
124 % 10 = 4
So 148404-16-4 is a valid CAS Registry Number.

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148404-16-4Relevant articles and documents

Synthesis and biological properties of 2-pyrrolidinoethoxy derivatives of 3,5-diarylpyrazoles and 2-pyrazolines

Sangwan, Naresh K.,Verma, Braham S.,Dhindsa, Kuldip Singh

, p. 508 - 512 (2007/10/02)

Cyclization of 2'-or 4'-hydroxy-4-methoxychalkone (1,2) with hydrazine hydrate in refluxing formic or acetic acid gives 1-acyl-5-aryl-3-(2-or 4-hydroxyphenyl)-2-pyrazolines (3-6).Alkylation of 1-6 and 4-hydroxy-3,5-diphenylpyrazole (17) with N-(2-chloroet

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148404-16-4