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1021491-99-5

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1021491-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1021491-99-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,4,9 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021491-99:
(9*1)+(8*0)+(7*2)+(6*1)+(5*4)+(4*9)+(3*1)+(2*9)+(1*9)=115
115 % 10 = 5
So 1021491-99-5 is a valid CAS Registry Number.

1021491-99-5Upstream product

1021491-99-5Downstream Products

1021491-99-5Relevant academic research and scientific papers

Enantioselective synthesis of iridal, the parent molecule of the iridal triterpenoid class

Corbu, Andrei,Aquino, Maurizio,Pratap,Retailleau, Pascal,Arseniyadis, Simeon

supporting information; experimental part, p. 1786 - 1790 (2009/04/12)

The monocyclic triterpene iridal 1 (parent molecule) is synthesized by an approach that allows access for several representatives of the iridal family as well as diversely substituted analogues. The success of the proposed synthetic plan depends upon the effortless stereoselective establishment of the trans C10/C11 dimethyl relationship in B-ring moiety 7 using a domino-based methodology and the higly efficient Miyaura-Suzuki type sp3-sp 2 segment coupling 7 and 8, respectively.

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