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1229357-78-1

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1229357-78-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229357-78-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,3,5 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1229357-78:
(9*1)+(8*2)+(7*2)+(6*9)+(5*3)+(4*5)+(3*7)+(2*7)+(1*8)=171
171 % 10 = 1
So 1229357-78-1 is a valid CAS Registry Number.

1229357-78-1Upstream product

1229357-78-1Downstream Products

1229357-78-1Relevant academic research and scientific papers

Seebach's conjunctive reagent enables double cyclizations

Chandler, Brent D.,Roland, Jason T.,Li, Yukai,Sorensen, Erik J.

, p. 2746 - 2749 (2010)

(Figure presented) When ketones flanked on both sides by nucleophilic atoms react with Seebach's nitropropenyl pivaloate reagent, direct couplings take place to give two new ring systems and three bonds. Cis-ring fusions are observed in unions leading to 5,5-, 5,6-, and 6,6-bicycles. Densely functionalized and rigid frameworks may be rapidly formed by the chemistry described herein.

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