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149771-45-9

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149771-45-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149771-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,7,7 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 149771-45:
(8*1)+(7*4)+(6*9)+(5*7)+(4*7)+(3*1)+(2*4)+(1*5)=169
169 % 10 = 9
So 149771-45-9 is a valid CAS Registry Number.

149771-45-9Relevant articles and documents

Synthesis and opioid receptor affinity of bivalent ligands derived from 3,8-diazabicyclo(3.2.1)octanes

Barlocco,Fadda,Fratta

, p. 387 - 396 (2007/10/02)

A new series of bivalent ligands (2a-d), derived from the previously reported analgesic 3-cinnamyl-8-propionyl-3,8-diazabicyclo(3.2.1)octane (1a), has been synthesized and tested in vitro for their affinity towards opioid receptors and in vivo for their analgesic potency. None of the new compounds showed either appreciable affinity for opioid receptors or analgesic activity comparable to that of the model 1a.

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