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99988-44-0

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99988-44-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99988-44-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,9,8 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99988-44:
(7*9)+(6*9)+(5*9)+(4*8)+(3*8)+(2*4)+(1*4)=230
230 % 10 = 0
So 99988-44-0 is a valid CAS Registry Number.

99988-44-0Relevant articles and documents

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Campaigne,E.,Kreighbaum,W.E.

, p. 1326 - 1327 (1961)

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A solvent-free protocol for the green synthesis of arylalkylidene rhodanines in a task-specific ionic liquid

Alizadeh, Abdolhamid,Khodaei, Mohammad M.,Eshghi, Ali

experimental part, p. 514 - 518 (2010/08/04)

2-Hydroxyethylammonium formate acts as a task-specific ionic liquid (TSIL) for the Knoevenagel condensation of carbonyl compounds with rhodanine to afford arylalkylidene rhodanines under solvent-free conditions and in good-to-excellent yields. Additionally, compared with those in organic solvents, the yields obtained in the presence of our ionic liquid (IL) were significantly increased. The detailed mechanism of the catalytic effect of TSIL is also reported for the first time.

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