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180259-48-7

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180259-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180259-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,2,5 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 180259-48:
(8*1)+(7*8)+(6*0)+(5*2)+(4*5)+(3*9)+(2*4)+(1*8)=137
137 % 10 = 7
So 180259-48-7 is a valid CAS Registry Number.

180259-48-7Relevant articles and documents

Progress toward the total synthesis of 9β-hydroxyvertine: Construction of an advanced quinolizidine intermediate

Thaima, Thanaphat,Willis, Anthony C.,Pyne, Stephen G.

, (2019/08/06)

Progress toward the total synthesis of 9β-hydroxyvertine 2 is described. Our approach involves a Petasis borono-Mannich reaction to assemble a key intermediate A, securing the correct configuration at H-9 and H-10 in the final targeted molecule. Subsequen

Mild, selective deprotection of PMB ethers with triflic acid/1,3-dimethoxybenzene

Jung, Michael E.,Koch, Pierre

experimental part, p. 6051 - 6054 (2011/11/28)

An efficient method for the cleavage of the p-methoxybenzyl protecting group of several alcohols in the presence of 0.5 equiv of trifluoromethanesulfonic acid and 1,3-dimethoxybenzene in dichloromethane at room temperature is described.

Mild preparation of alkenes from phenyl sulfides: One-pot elimination of phenylthio group via sulfilimine at ambient temperature

Matsuo, Jun-Ichi,Kozai, Takaaki,Ishibashi, Hiroyuki

, p. 6095 - 6098 (2007/10/03)

(Chemical Equation Presented) Various alkenes were prepared from phenyl sulfides in a one-pot manner at room temperature by converting them to the corresponding S-aminosulfonium salts with O-mesitylenesulfonylhydroxylamine, followed by treatment with pota

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