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16222-29-0

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16222-29-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16222-29-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,2,2 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 16222-29:
(7*1)+(6*6)+(5*2)+(4*2)+(3*2)+(2*2)+(1*9)=80
80 % 10 = 0
So 16222-29-0 is a valid CAS Registry Number.

16222-29-0Downstream Products

16222-29-0Relevant articles and documents

Production of aminophenols

-

, (2008/06/13)

A method of producing N,N-disubstituted aminophenols of the general formula STR1 wherein R1 and R2 are the same or different and each represents a saturated or unsaturated aliphatic hydrocarbyl, cycloalkyl, aralkyl, the phenyl ring of which may be further substituted, alkoxyalkyl, or a cycloalkylalkyl, except that R1 and R2 are not simultaneously methyl and R' represents hydrogen, halogen, nitro, cyano, alkyl or alkoxy, which comprises reacting an aminophenol of general formula STR2 wherein R3 represents hydrogen or R1, and R' is as defined above, with an organic halide species of general formula R2 X wherein R2 is as defined above and X is halogen under aqueous acidic conditions with the periodic addition of an acid trapping agent in such a way that continuous monitoring of pH is not required.

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