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89876-66-4

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89876-66-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89876-66-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,7 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89876-66:
(7*8)+(6*9)+(5*8)+(4*7)+(3*6)+(2*6)+(1*6)=214
214 % 10 = 4
So 89876-66-4 is a valid CAS Registry Number.

89876-66-4Upstream product

89876-66-4Relevant articles and documents

Fungal metabolites. II. Structural elucidation of minor metabolites, valinotricin, cyclonerodiol oxide, and epicyclonerodiol oxide, from Trichoderma polysporum

Fujita,Takaishi,Takeda,et al.

, p. 4419 - 4425 (2007/10/02)

A new minor metabolite, valinotricin (1), along with cyclonerodiol oxide (9) and epicyclonerodiol oxide (10) was isolated from Trichoderma polysporum. The structure of valinotricin was elucidated as 1 by chemical and spectral studies, and then confirmed by synthesis. Chemical and spectroscopic studies of cyclonerodiol oxide and epicyclonerodiol oxide led to the structures 9 and 10, respectively.

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