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137935-38-7

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137935-38-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137935-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,3 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137935-38:
(8*1)+(7*3)+(6*7)+(5*9)+(4*3)+(3*5)+(2*3)+(1*8)=157
157 % 10 = 7
So 137935-38-7 is a valid CAS Registry Number.

137935-38-7Downstream Products

137935-38-7Relevant articles and documents

Synthesis and Biological Activity of 2-Aminothiazolines and 2-Mercaptothiazolines as Octopaminergic Agonists

Hirashima, Akinori,Yoshii, Yutuka,Eto, Morifusa

, p. 2537 - 2546 (2007/10/02)

2-Aminothiazoline derivatives were synthesized by both hydrochloric acid-catalyzed cyclization of thiourea and cyclization of β-aminoalkyl hydrogen sulfate with isothiocyanate in the presence of sodium hydroxide.Substituted 2-mercaptothiazoline derivatives were prepared by alkylation or acylation of the sodium salt of 2-mercaptothiazoline, which was obtained from β-aminoalkyl hydrogen sulfate with carbon disulfide. 2-(4-Chloro-o-toluidino)-2-thiazoline (III-16) was 33percent as effective as octopamine at 100 μM in stimulating adenylate cyclase of Periplaneta americana ventral-nerve-cord homogenates.Its activity was nonadditive to the activity of octopamine.Stimulation of nerve-cord adenylate cyclase activity by III-16 was inhibited by several antagonists, including mianserin, cyproheptadine, chlorpromazine and gramine.The rank-order ability of these antagonists to block the activation by III-16 was identical to the rank-order ability of the same antagonists to block enzyme activation of octopamine.The β-adrenergic antagonist propanolol was less potent.These data suggest that III-16 is a potent and selctive agonist of octopamine-activated adenylate cyclase.Aminothiazolines which activated adenylate cyclase by 10-87percent relative to octopamine also had acaricidal activity at 300 ppm, indicating a correlation between the in vitro octopaminergic-agonist activity and in vivo acaricidal activity of aminothiazolines.

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