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30516-22-4

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30516-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 30516-22-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,5,1 and 6 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 30516-22:
(7*3)+(6*0)+(5*5)+(4*1)+(3*6)+(2*2)+(1*2)=74
74 % 10 = 4
So 30516-22-4 is a valid CAS Registry Number.

30516-22-4Relevant articles and documents

Reactivity of AllylSmBr/HMPA: Facile Synthesis of 3-Aryl-1,2,4- benzotriazines

Yin, Ruifeng,Zhou, Liejin,Liu, Huili,Mao, Hui,Lue, Xin,Wang, Xiaoxia

, p. 143 - 148 (2013/08/24)

3-Aryl-1,2,4-benzotriazines were conveniently prepared in moderate to good yields from 1,l-bis(benzotriazol-1-yl)methylarenes with allylsamarium bromide/hexamethylphosphramide (allylSmBr/HMPA). Preliminary results indicate that HMPA may enhance the reduci

Construction of 3-aryl-1,2,4-benzotriazines via unprecedented rearrangement of bis(benzotriazol-1-yl)methylarenes

Zhong, Zhiyun,Hong, Ran,Wang, Xiaoxia

body text, p. 6763 - 6766 (2011/02/24)

3-Aryl-1,2,4-benzotriazines were formed unexpectedly by the treatment of 1,l-bis(benzotriazol-1-yl)methylarenes with allylsamarium bromide. A radical pathway was proposed involving steps, such as fragmentation, ring-opening, and cyclization.

Mannich/Friedel-Crafts Preparations of 1-(Arylmethyl)benzotriazoles and Synthetic Transformations of their Lithio Derivatives

Katritzky, Alan R.,Gordeev, Mikhail F.,Greenhill, John V.,Steel, Peter J.

, p. 1111 - 1118 (2007/10/02)

The synthesis of 1-(arylmethyl)benzotriazoles by Mannich type reactions of benzene, toluene, p-xylene and chlorobenzene with 1-chloromethylbenzotriazole in the presence of aluminium halides is reported.Alkylation of their lithio derivatives followed by th

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