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1262991-80-9

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1262991-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262991-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,9,9 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1262991-80:
(9*1)+(8*2)+(7*6)+(6*2)+(5*9)+(4*9)+(3*1)+(2*8)+(1*0)=179
179 % 10 = 9
So 1262991-80-9 is a valid CAS Registry Number.

1262991-80-9Downstream Products

1262991-80-9Relevant articles and documents

Nucleophilic substitutions and radical reactions of phenylazocarboxylates

Jasch, Hannelore,Hoefling, Sarah B.,Heinrich, Markus R.

experimental part, p. 1520 - 1532 (2012/03/11)

tert-Butyl phenylazocarboxylates are versatile building blocks for synthetic organic chemistry. Nucleophilic substitutions of the benzene ring proceed with aromatic amines and alcohols under mild conditions. The attack of aliphatic amines may be directed to the aromatic core as well as to the carbonyl unit leading to azocarboxamides. The benzene ring can further be modified through radical reactions, in which the tert-butyloxycarbonylazo group enables the generation of aryl radicals at either elevated temperatures or under acidic conditions. Radical reactions include oxygenation, halogenation, carbohalogenation, carbohydroxylation, and aryl-aryl coupling.

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