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139242-83-4

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139242-83-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139242-83-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,2,4 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 139242-83:
(8*1)+(7*3)+(6*9)+(5*2)+(4*4)+(3*2)+(2*8)+(1*3)=134
134 % 10 = 4
So 139242-83-4 is a valid CAS Registry Number.

139242-83-4Relevant articles and documents

Asymmetric total synthesis of the individual diastereoisomers of hypoglycin A

Baldwin, Jack E.,Adlington, Robert M.,Bebbington, David,Russell, Andrew T.

, p. 12015 - 12028 (2007/10/02)

The individual diastereoisomers that constitute the unusual methylenecyclopropane containing α-amino acid hypoglycin A have been synthesised utilising the Sharpless epoxidation to permit an asymmetric methylenecyclopropane synthesis.

Asymmetric Total Synthesis of the Individual Diastereoisomers of Hypoglycin A

Baldwin, Jack E.,Adlington, Robert M.,Bebbington, David,Russell, Andrew T.

, p. 1249 - 1251 (2007/10/02)

The indiviual diastereoisomeres that constitute the unusual methylenecyclopropane containing α-amino acid hypoglycin A have been synthesised utilising the Sharpless epoxidation to permit an asymmetric methylene cyclopropane synthesis.

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