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802909-30-4

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802909-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 802909-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,2,9,0 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 802909-30:
(8*8)+(7*0)+(6*2)+(5*9)+(4*0)+(3*9)+(2*3)+(1*0)=154
154 % 10 = 4
So 802909-30-4 is a valid CAS Registry Number.

802909-30-4Downstream Products

802909-30-4Relevant articles and documents

Use of N-N bond stereodynamics in ring-closing metathesis to form medium-sized rings and macrocycles

Yi, Jin Kim,Lee, Daesung

, p. 4351 - 4353 (2007/10/03)

(Chemical Equation Presented) A unique strategy based on double ring-closing metathesis for the formation of a 14-membered macrocyclic enamide has been developed. This strategy hinges upon the well-known stereodynamic and conformational behavior of N-substituted diacylhydrazines, which promotes an effective ring-closing metathesis of hydrazine-derived dienes and enynes to form 8- to 14-membered rings.

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