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1429058-85-4

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1429058-85-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429058-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,0,5 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1429058-85:
(9*1)+(8*4)+(7*2)+(6*9)+(5*0)+(4*5)+(3*8)+(2*8)+(1*5)=174
174 % 10 = 4
So 1429058-85-4 is a valid CAS Registry Number.

1429058-85-4Downstream Products

1429058-85-4Relevant articles and documents

Asymmetric synthesis of (-)-martinellic acid

Davies, Stephen G.,Fletcher, Ai M.,Lee, James A.,Lorkin, Thomas J. A.,Roberts, Paul M.,Thomson, James E.

, p. 2050 - 2053 (2013/06/05)

A high-yielding total asymmetric synthesis of (-)-martinellic acid is reported. The conjugate addition of lithium (R)-N-allyl-N-(α-methyl-4- methoxybenzyl)amide to tert-butyl (E)-3-[2′-(N,N-diallylamino)-5′- bromophenyl]propenoate and alkylation of the resultant β-amino ester have been used as the key steps to install the C(9b) and C(3a) stereogenic centers, respectively, and a highly diastereoselective Wittig reaction/intramolecular Michael addition was then used to create the C(4) stereogenic center within this tricyclic molecular architecture.

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