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441286-28-8

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441286-28-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 441286-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,1,2,8 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 441286-28:
(8*4)+(7*4)+(6*1)+(5*2)+(4*8)+(3*6)+(2*2)+(1*8)=138
138 % 10 = 8
So 441286-28-8 is a valid CAS Registry Number.

441286-28-8Relevant articles and documents

Asymmetric synthesis of stereodefined α-alkyl-γ-benzyloxymethyl-β-trimethylsilyl-γ- butyrolactones that serve as an efficient precursor for constructing carbon skeletons having a tertiary or quaternary stereogenic center

Kim, Kwangho,Okamoto, Sentaro,Takayama, Yuuki,Sato, Fumie

, p. 4237 - 4239 (2007/10/03)

The optically active lactone 1 can be transformed to a chiral building block or intermediate for constructing carbon skeletons containing either a tertiary or quaternary stereogenic center by taking advantage of the steric bulk as well as the reactivity o

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