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1338349-21-5

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1338349-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1338349-21-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,8,3,4 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1338349-21:
(9*1)+(8*3)+(7*3)+(6*8)+(5*3)+(4*4)+(3*9)+(2*2)+(1*1)=165
165 % 10 = 5
So 1338349-21-5 is a valid CAS Registry Number.

1338349-21-5Relevant articles and documents

Synthesis and pharmacological evaluation of 1-alkyl-N-[2-ethyl-2-(4- fluorophenyl)butyl]piperidine-4-carboxamide derivatives as novel antihypertensive agents

Watanuki, Susumu,Matsuura, Keisuke,Tomura, Yuichi,Okada, Minoru,Okazaki, Toshio,Ohta, Mitsuaki,Tsukamoto, Shin-Ichi

experimental part, p. 5628 - 5638 (2011/10/12)

We synthesized and evaluated inhibitory activity against T-type Ca 2+ channels for a series of 1-alkyl-N-[2-ethyl-2-(4-fluorophenyl) butyl]piperidine-4-carboxamide derivatives. Structure-activity relationship studies have revealed that dialkyl substituents at the benzylic position play an important role in increasing inhibitory activity. Oral administration of N-[2-ethyl-2-(4-fluorophenyl)butyl]-1-(2-phenylethyl)piperidine-4-carboxamide (20d) lowered blood pressure in spontaneously hypertensive rats without inducing reflex tachycardia, which is often caused by traditional L-type Ca2+ channel blockers.

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