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570389-20-7

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570389-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 570389-20-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,7,0,3,8 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 570389-20:
(8*5)+(7*7)+(6*0)+(5*3)+(4*8)+(3*9)+(2*2)+(1*0)=167
167 % 10 = 7
So 570389-20-7 is a valid CAS Registry Number.

570389-20-7Downstream Products

570389-20-7Relevant articles and documents

Toward the total synthesis of phorboxazole A: Synthesis of an advanced C4-C32 subunit using the Jacobsen hetero Diels-Alder reaction

Paterson, Ian,Luckhurst, Chris A.

, p. 3749 - 3754 (2007/10/03)

The tetrahydropyranone 3, representing a pentacyclic C4-C32 segment of the phorboxazoles, was obtained by a complex hetero Diels-Alder (HDA) coupling performed between the 2-siloxydiene 23 and the oxazole aldehyde 4, mediated by the

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