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245736-18-9

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245736-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 245736-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,7,3 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 245736-18:
(8*2)+(7*4)+(6*5)+(5*7)+(4*3)+(3*6)+(2*1)+(1*8)=149
149 % 10 = 9
So 245736-18-9 is a valid CAS Registry Number.

245736-18-9Relevant articles and documents

Construction of Iterative Tetrahydrofuran Ring Units and Total Synthesis of (+)-Goniocin

Suzuki, Ai,Sasaki, Mai,Nakagishi, Tetsuya,Ueda, Tsuyoshi,Hoshiya, Naoyuki,Uenishi, Jun'ichi

, p. 2248 - 2251 (2016)

Cytotoxic acetogenin (+)-goniocin has been synthesized in 17 steps from (R)-O-tritylglycidol. The core structure of the contiguous C22-C10 threo-trans-threo-trans-threo-trans-tris-tetrahydrofuran (THF) ring involving an iterative THF-ring unit was synthesized. An iterative THF ring unit was constructed from an alkenyl-substituted THF ring in four steps including a Pd(II)-catalyzed ring-closing reaction and cross-metathesis. This method is general and allows the preparation of both trans-threo-trans- and trans-threo-cis-THF ring units flexibly.

Synthesis and absolute stereochemical assignment of (+)-miyakolide

Evans, David A.,Ripin, David H. B.,Halstead, David P.,Campos, Kevin R.

, p. 6816 - 6826 (2007/10/03)

The first total synthesis of the marine macrolide miyakolide has been achieved, and its absolute stereochemistry has been determined. The carbon skeleton is assembled in a convergent fashion from three fragments via esterification, [3 + 2] dipolar cycload

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