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205491-15-2

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205491-15-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205491-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,4,9 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 205491-15:
(8*2)+(7*0)+(6*5)+(5*4)+(4*9)+(3*1)+(2*1)+(1*5)=112
112 % 10 = 2
So 205491-15-2 is a valid CAS Registry Number.

205491-15-2Relevant articles and documents

Novel route to the synthesis of hydroxylated pyrrolidine derivatives via the intramolecular reaction of γ-aminoallylstannane with aldehyde. Total synthesis of (+)-preussin

Kadota, Isao,Saya, Shioko,Yamamoto, Yoshinori

, p. 335 - 348 (1997)

The thermal cyclization of γ-aminoallylstannane (8) having an aldehyde group gave β-hydroxypyrrolidine derivative (9a) as a sole product. This methodology was applied successfully to the total synthesis of (+)-preussin.

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