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1226915-41-8

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1226915-41-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1226915-41-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,6,9,1 and 5 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1226915-41:
(9*1)+(8*2)+(7*2)+(6*6)+(5*9)+(4*1)+(3*5)+(2*4)+(1*1)=148
148 % 10 = 8
So 1226915-41-8 is a valid CAS Registry Number.

1226915-41-8Downstream Products

1226915-41-8Relevant articles and documents

Can be azo dyes obtained by grinding under solvent-free conditions?

Noroozi-Pesyan, Nader,Khalafy, Jabbar,Malekpoor, Zahra

, p. 1018 - 1027 (2009)

The solid-solid reactions of some electron-donors with sulfanilic acid in the presence of solid sodium nitrite afford azo dyes by self-catalyzed diazotization of sulfanilic acid (2) under solvent-free conditions with moderate yields. Also the reactions of some electron-donors with diazotization of o-nitroaniline (5), m-nitroaniline (6) and p-nitroaniline (7) in the presence of solid sodium nitrite catalyzed by p-toluenesulfonic acid (PTSA) afford azo dyes under solvent-free conditions in good yields. This new method totally avoids the use of acids, alkalies, and toxic and/or expensive solvents in diazotization and diazo coupling reactions.

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