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282735-67-5

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282735-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 282735-67-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,2,7,3 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 282735-67:
(8*2)+(7*8)+(6*2)+(5*7)+(4*3)+(3*5)+(2*6)+(1*7)=165
165 % 10 = 5
So 282735-67-5 is a valid CAS Registry Number.

282735-67-5Relevant articles and documents

Asymmetric, stereocontrolled total synthesis of (+) and (-)-spirotryprostatin B via a diastereoselective azomethine ylide [1,3]-dipolar cycloaddition reaction

Sebahar, Paul R,Osada, Hiroyuki,Usui, Takeo,Williams, Robert M

, p. 6311 - 6322 (2007/10/03)

The asymmetric, stereocontrolled total syntheses of (+) and (-)-spirotryprostatin B (2) are described. Formation of the core pyrrolidine ring was accomplished via a diastereoselective asymmetric [1,3]-dipolar cycloaddition reaction. Addition of 3-methoxy-

The asymmetric total synthesis of (+)- and (-)-spirotryprostatin B [16]

Sebahar, Paul R.,Williams, Robert M.

, p. 5666 - 5667 (2007/10/03)

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