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76639-77-5

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76639-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76639-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,3 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76639-77:
(7*7)+(6*6)+(5*6)+(4*3)+(3*9)+(2*7)+(1*7)=175
175 % 10 = 5
So 76639-77-5 is a valid CAS Registry Number.

76639-77-5Downstream Products

76639-77-5Relevant articles and documents

Some Reactions of 1,4-Dihydropyridines with Organic Azides. Synthesis of 2,7-Diazabicyclohept-3-enes with Analgesic and Antiprotozoal Activity

Warren, Brent K.,Knaus, Edward E.

, p. 462 - 464 (1981)

The 1,3-dipolar cycloaddition reaction of 1,4-dihydropyridines, 2, with organic azides, 3, afford 2,7-diazabicyclohept-3-enes, 4, which exhibit significant analgesic and antiprotozoal activities.The most active analgesics, 4a and 4c, were more potent than aspirin or dextropropoxyphene.Diazabicyclohept-3-enes 4a-e exert potent antiprotozoal activity, inhibiting growth of Trichomonas vaginalis at concentrations of less than 10 μg/mL of medium.The broad spectrum pharmacological screen also revealed moderate hypoglycemic (4a), antiinflammatory (4c), antidepressant (4d and 4e) and antihistaminic (4f) activities.

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