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128301-65-5

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128301-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128301-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,0 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128301-65:
(8*1)+(7*2)+(6*8)+(5*3)+(4*0)+(3*1)+(2*6)+(1*5)=105
105 % 10 = 5
So 128301-65-5 is a valid CAS Registry Number.

128301-65-5Relevant articles and documents

Configuration and enantioselective synthesis of the fungal metabolite WF14861

Detterbeck, Richard,Hesse, Manfred

, p. 222 - 232 (2007/10/03)

A short enantioselective synthesis of the cathepsine inhibitor WF14861 (1) from the funghi Colletotrichum sp. as well as of its diasteroisomer 21 is presented. Comparison of the NMR data of the final products and, in particular, of the [α]D values of the intermediates allowed the confirmation of the formerly proposed structure 1. In addition, the so far unknown absolute configuration of all three stereogenic centres of WF14861 could be established by this synthesis.

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