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170421-35-9

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170421-35-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170421-35-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,4,2 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 170421-35:
(8*1)+(7*7)+(6*0)+(5*4)+(4*2)+(3*1)+(2*3)+(1*5)=99
99 % 10 = 9
So 170421-35-9 is a valid CAS Registry Number.

170421-35-9Relevant articles and documents

Synthetic studies of incednine: synthesis of C1-C13 pentaenoic acid segment

Ohtani, Takashi,Kanda, Hiroshi,Misawa, Kensuke,Urakawa, Yoshifumi,Toshima, Kazunobu

scheme or table, p. 2270 - 2273 (2009/08/07)

Stereoselective synthesis of the C1-C13 pentaenoic acid segment (4) of the novel antibiotic incednine (1) is described.

Efficient synthesis of the 6,6-spiroacetal of spirofungin A

Shimizu, Takeshi,Kusaka, Junichi,Ishiyama, Haruaki,Nakata, Tadashi

, p. 4965 - 4968 (2007/10/03)

The 6,6-spiroacetal segment of spirofungin A, an antifungal antibiotic isolated from Streptomyces violaceusniger Tü 4113, was efficiently prepared via the coupling reaction of the Weinreb amide and the alkyne which are readily available from the common in

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