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1443753-97-6

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1443753-97-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1443753-97-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,4,3,7,5 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1443753-97:
(9*1)+(8*4)+(7*4)+(6*3)+(5*7)+(4*5)+(3*3)+(2*9)+(1*7)=176
176 % 10 = 6
So 1443753-97-6 is a valid CAS Registry Number.

1443753-97-6Downstream Products

1443753-97-6Relevant articles and documents

Synthesis, evaluation of insecticidal activity, and crystal analysis of cis-nitenpyram analogs bearing 1,4-dihydropyridine

Sun, Chuanwen,Liu, Tianyan,Ding, Li,Chen, Yanxia,Zhang, Wanggeng

, p. 1003 - 1012 (2013/07/26)

A new series of nitenpyram analogs were designed by introducing 1,4-dihydropyridine to fix the pharmacophore (-C=C-NO2) into the cis-configuration, as confirmed by X-ray diffraction. Crystal structure analysis showed that there was a homoconjugation effect on these cis-nitenpyram analogs, and a huge conjugated system comprising the 1,4-dihydropyridine scaffold and the ester group at the 3 position. Preliminary bioassays showed that most of the target compounds exhibit good insecticidal activities (>80 %) at 100 mg/dm3 against Aphis medicagini, while a 4-fluorophenyl cis-nitenpyram analog afforded the best activity, with >90 % mortality at 20 mg/dm3. These excellent insecticidal activities imply that this huge conjugated system results in an enhanced π-π interaction between the molecule and amino acid residues in receptors. Further studies on the mode of action of one of these cis-nitenpyram analogs and structural modifications are in progress.

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