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87385-13-5

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87385-13-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87385-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,3,8 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87385-13:
(7*8)+(6*7)+(5*3)+(4*8)+(3*5)+(2*1)+(1*3)=165
165 % 10 = 5
So 87385-13-5 is a valid CAS Registry Number.

87385-13-5Downstream Products

87385-13-5Relevant articles and documents

Synthesis and Properties of 2,2'-Bipyridin-3-ols and -3,3'-diols

Siemanowski, Werner,Witzel, Herbert

, p. 1731 - 1739 (2007/10/02)

The synthesis of the 2-furyl ketones 5-7 and 13 and their reaction with ammonium acetate in boiling acetic acid to 3-substituted 2,2'-bipyridines and to 2-(2-pyrimidinyl)-3-pyridinol (14) via a ring-transformation reaction are described.Strong intramolecular hydrogen bonds are responsible for their physical and chemical properties.

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