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333385-17-4

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333385-17-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333385-17-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,3,8 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 333385-17:
(8*3)+(7*3)+(6*3)+(5*3)+(4*8)+(3*5)+(2*1)+(1*7)=134
134 % 10 = 4
So 333385-17-4 is a valid CAS Registry Number.

333385-17-4Downstream Products

333385-17-4Relevant articles and documents

Total Synthesis and Determination of the Absolute Configuration of Frondosin B

Masayuki, Inoue,Carson, Mattew W.,Frontier, Alison J.,Danishefsky, Samuel J.

, p. 1878 - 1889 (2007/10/03)

Two concise syntheses of (+/-)-frondosin B (1), an interleukin-8 receptor antagonist, have been achieved from commercially available 5-methoxysalicylaldehyde. The seven-membered ring in ketone 33, the common intermediate for both syntheses, was built by a

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