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88905-21-9

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88905-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88905-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,9,0 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 88905-21:
(7*8)+(6*8)+(5*9)+(4*0)+(3*5)+(2*2)+(1*1)=169
169 % 10 = 9
So 88905-21-9 is a valid CAS Registry Number.

88905-21-9Relevant articles and documents

5-Aryl-3-azabicycloheptan-6-one Ketals, Compounds with Morphine-Like Analgesic Activity

McKenzie, Thomas C.,Epstein, Joseph W.,Fanshawe, William J.,Dixon, J. Scott,Osterberg, Arnold C.,et al.

, p. 628 - 632 (2007/10/02)

A series of 5-aryl-3-azabicycloheptan-6-one ketals 6 were synthesized by hydride reduction of 1-aryl-4,4-dimethoxy-1,2-cyclobutanedicarboximides 5.Imides 5 were obtained as the sole, regioselective products of the photocycloaddition of 1,1-

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