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220658-25-3

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220658-25-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 220658-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,6,5 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 220658-25:
(8*2)+(7*2)+(6*0)+(5*6)+(4*5)+(3*8)+(2*2)+(1*5)=113
113 % 10 = 3
So 220658-25-3 is a valid CAS Registry Number.

220658-25-3Relevant articles and documents

A convenient synthesis of 2-phenylbenzofuran derivatives with potent testosterone 5α-reductase inhibitory activities

Ishibashi, Koki,Nakajima, Katsuyoshi,Nishi, Takahide

, p. 2669 - 2675 (1998)

A convenient method for the synthesis of 4-[2-(benzo[b]furan-2-yl)phenyloxy]butyric acid derivatives with a carbamoyl group at the 5 or 6 position of the benzofuran ring showing potent 5α-reductase inhibitory activities was developed. Oxazolin-2-ylbenzofu

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