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189938-86-1

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189938-86-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189938-86-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,3 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189938-86:
(8*1)+(7*8)+(6*9)+(5*9)+(4*3)+(3*8)+(2*8)+(1*6)=221
221 % 10 = 1
So 189938-86-1 is a valid CAS Registry Number.

189938-86-1Downstream Products

189938-86-1Relevant articles and documents

Synthesis and evaluation of halogenated dibenzodiazepines as muscarinic receptor ligands

Kassiou, Michael,Read, Roger W.,Shi, Xue-Qin

, p. 799 - 804 (1997)

Syntheses of four novel amide analogues of the muscarinic M2 receptor antagonists, DIBA and BIBN 140, are described from a common intermediate. Pharmacological evaluation through in vitro assays reveals high muscarinic receptor affinity in each of the compounds, but variable subtype selectivity, primarily M2 but in one case M3.

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