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90995-71-4

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90995-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90995-71-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,9 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90995-71:
(7*9)+(6*0)+(5*9)+(4*9)+(3*5)+(2*7)+(1*1)=174
174 % 10 = 4
So 90995-71-4 is a valid CAS Registry Number.

90995-71-4Downstream Products

90995-71-4Relevant articles and documents

Electrophilic ipso-Substitutions. Part 3. Reactions of 3-Substituted Indoles, 4-Substituted N,N-Dimethylanilines, and 1- and 3-Substituted Indolizines with Nitrous Acid

Colonna, Martino,Greci, Lucedio,Poloni, Marino

, p. 165 - 170 (1984)

Reactions of 3-substituted indoles, N,N-dimethylanilines, and 1- and 3-substituted indolizines with nitrous acid yield products of ipso-substitutions, essentially the corresponding nitro-derivatives.An electron transfer process is proposed for the initial

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