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868840-74-8

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868840-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 868840-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,8,8,4 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 868840-74:
(8*8)+(7*6)+(6*8)+(5*8)+(4*4)+(3*0)+(2*7)+(1*4)=228
228 % 10 = 8
So 868840-74-8 is a valid CAS Registry Number.

868840-74-8Relevant articles and documents

An efficient synthesis of argifin: A natural product chitinase inhibitor with chemotherapeutic potential

Dixon, Mark J.,Andersen, Ole A.,Van Aalten, Daan M. F.,Eggleston, Ian M.

, p. 4717 - 4721 (2005)

The first synthesis of the cyclopentapeptide family 18 chitinase inhibitor argifin has been achieved by a combination of solid phase and solution chemistry. Synthetic argifin is a nanomolar inhibitor of chitinase B1 from Aspergillus fumigatus and the high-resolution X-ray structure of the synthesized material in complex with the same enzyme is identical to that previously obtained for the natural product.

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