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18599-01-4

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18599-01-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18599-01-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,5,9 and 9 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18599-01:
(7*1)+(6*8)+(5*5)+(4*9)+(3*9)+(2*0)+(1*1)=144
144 % 10 = 4
So 18599-01-4 is a valid CAS Registry Number.

18599-01-4Relevant articles and documents

The Kinetics and Mechanism of Addition of Bulky Alcohols to Dimethyl Ketene and to p-Nitrophenyl Isocyanate in Iso-octane and Carbon Tetrachloride Solutions

Donohoe, Geraldine,Satchell, Derek P. N.,Satchell, Rosemary S.

, p. 1671 - 1674 (2007/10/02)

We report on the kinetics of addition of pentan-3-ol to p-nitrophenyl isocyanate and to dimethyl ketene in iso-octane, of t-butyl alcohol to the isocyanate in iso-octane, and of pentan-3-ol to the isocyanate in carbon tetrachloride.The extent of self-association of the alcohols in iso-octane has also been examined.For all the additions, our results are compatible with a mechanism that involves slow attack by both alcohol monomers and trimers, the latter being the more reactive.Conclusions from previous work with pentan-3-ol are not supported.

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