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33119-38-9

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33119-38-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33119-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,1 and 9 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 33119-38:
(7*3)+(6*3)+(5*1)+(4*1)+(3*9)+(2*3)+(1*8)=89
89 % 10 = 9
So 33119-38-9 is a valid CAS Registry Number.

33119-38-9Relevant articles and documents

Chemistry, kinetics, and spectroscopy of highly hindered diarylcarbenes. The case of decachlorodiphenylcarbene

Tomioka, Hideo,Hirai, Katsuyuki,Nakayama, Takehito

, p. 1285 - 1289 (2007/10/02)

Bis(pentachlorophenyl)diazomethane (1a) was prepared, and reactivities of perchlorodiphenylcarbene (2a) generated by photolysis of la were investigated not only in terms of product analysis but also by using flash photolysis techniques. Although the major

An Easy, High-yield Synthesis of Highly Chlorinated Mono-, Di- and Triarylmethanes

Ballester, Manuel,Riera, Juan,Castaner, Juan,Rovira, Concepcion,Armet, Olag

, p. 64 - 66 (2007/10/02)

A simple, direct, high-yield Friedel-Crafts synthesis of highly chlorinated, overcrowded αH-aryl, αH-diaryl, and αH-triarylmethanes is described.The latter compounds are most valuable chemical precursors of inert free radicals, which are frequently obtain

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