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258339-31-0

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258339-31-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 258339-31-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,3,3 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 258339-31:
(8*2)+(7*5)+(6*8)+(5*3)+(4*3)+(3*9)+(2*3)+(1*1)=160
160 % 10 = 0
So 258339-31-0 is a valid CAS Registry Number.

258339-31-0Relevant articles and documents

Hexamethyldisilazane in the presence of n,n′,n″n?- tetramethyltetra-2,3-pyridinoporphyrazinato copper (II) is a new, mild and highly efficient reagent for silylation of alcohols and phenols

Akhlaghinia, Batool,Asadi, Mozafar,Safaee, Elham,Heydarpoor, Mozhgan

, p. 2099 - 2104 (2004)

Alcohols and phenols are protected with hexamethyldisilazane in the presence of N,N′,N″,N?-tetramethyletra-2,3- pyridinoporphyrazinato copper (II) in good-to-excellent yields at room temperature.

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