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25116-07-8

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25116-07-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 25116-07-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,1,1 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 25116-07:
(7*2)+(6*5)+(5*1)+(4*1)+(3*6)+(2*0)+(1*7)=78
78 % 10 = 8
So 25116-07-8 is a valid CAS Registry Number.

25116-07-8Relevant articles and documents

Contribution of intramolecular NH...O hydrogen bonds to magnesium-carboxylate bonds

Okamura, Taka-Aki,Nakagawa, Junko

, p. 10812 - 10824 (2013)

A series of magnesium carboxylate complexes containing intramolecular NH...O hydrogen bonds were synthesized. Their molecular structures were determined by X-ray analysis. A direct NH...O hydrogen bond to the coordinated oxygen atom elongated the Mg-O bond, while a hydrogen bond to the carbonyl group shortened the Mg-O bond. Double NH...O hydrogen bonds significantly lowered the basicity of the carboxylate anion and prevented coordination to the Mg ion in a trans configuration; however, a cis-dicarboxylate complex was successfully obtained. Strong coordination of water to the Mg2+ ion stabilizes the weak Mg-carboxylate bond at the trans position. In contrast, a weak Mg-carboxylate bond strengthens the Mg-O(water) bond, probably increasing the acidity. Based on the experimental results and theoretical calculations, a new switching mechanism is proposed. In the proposed mechanism, the acidity of the coordinated water on magnesium is controlled during catalytic hydrolysis in endonuclease.

Meta-bis anilide derivatives and their utility as herbicides

-

, (2008/06/13)

Compounds corresponding to the formula: SPC1 In which R1 and R2 are, independently, hydrogen, alkyl, alkoxyalkyl, cycloalkyl, pinonyl, ethylcycloalkyl, lower alkenyl, halogenated lower alkyl, benzyl, ethylphenyl, 2,4-dichlorophenoxy-methylene, styryl, furyl, phenyl or substituted phenyl in which the substituents are nitro, halogen, methyl, or methoxy; R3 and R4 are, independently, hydrogen or lower alkyl; X and Y are independently oxygen or sulfur; and Z is halogen, nitro, amino, lower alkyl, lower alkoxy or trifluoromethyl and n is an integer having a value from 0 to 4. The above compounds are effective herbicides, particularly for the control of grasses and broadleaf plants with both pre-emergence and post-emergence activity. Representative compounds are: m-propionamidobutyranilide, m-bis-2,2-dimethylvaleranilide, m-isobutyramido trichloroacetanilide, m-isobutyramido-2-ethylbutyranilide, m-t-butylacetamidopropionanilide, and 3'-N-ethyl propionamido-propionalide. This application is a continuation of application Ser. No. 180,916, filed Sept. 15, 1971, which is a continuation of application Ser. No. 20,104, filed Mar. 16, 1970, which is a continuation-in-part of application Ser. No. 741,267, filed July 1, 1968, which is a continuation-in-part of application Ser. No. 659,865, filed Aug. 11, 1967, all now abandoned.

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