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58804-91-4

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58804-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58804-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,8,0 and 4 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 58804-91:
(7*5)+(6*8)+(5*8)+(4*0)+(3*4)+(2*9)+(1*1)=154
154 % 10 = 4
So 58804-91-4 is a valid CAS Registry Number.

58804-91-4Relevant articles and documents

A practial method for N-alkylation of succinimide and glutarimide

Gesson, J. P.,Jacquesy, J. C.,Rambaud, D.

, p. 227 - 231 (2007/10/02)

Succinimide and glutarimide are N-alkylated in high yield using primary chlorides, bromides or tosylates under solid-liquid PTC conditions (K2CO3, benzene or toluene at reflux, 1percent 18-C-6).Addition of 0.1 eq of KI increases the rate of the reaction for less reactive halides such as 2-bromobutane.Keywords: imide / phase transfer catalysis / N-alkylation

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