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28990-73-0

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28990-73-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28990-73-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,9 and 0 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 28990-73:
(7*2)+(6*8)+(5*9)+(4*9)+(3*0)+(2*7)+(1*3)=160
160 % 10 = 0
So 28990-73-0 is a valid CAS Registry Number.

28990-73-0Relevant articles and documents

The first synthesis of herbicidin B. stereoselective construction of the tricyclic undecose moiety by a conformational restriction strategy using steric repulsion between adjacent bulky silyl protecting groups on a pyranose ring

Ichikawa, Satoshi,Shuto, Satoshi,Matsuda, Akira

, p. 10270 - 10280 (2007/10/03)

The first total synthesis of the nucleoside antibiotic herbicidin B (1b) was achieved, where a novel aldol-type C-glycosidation reaction promoted by samarium diiodide (SmI2) was used as a key step. Treatment of methyl 3,4-O-(1,1,3,3-tetraisopro

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