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89894-27-9

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89894-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89894-27-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 89894-27:
(7*8)+(6*9)+(5*8)+(4*9)+(3*4)+(2*2)+(1*7)=209
209 % 10 = 9
So 89894-27-9 is a valid CAS Registry Number.

89894-27-9Downstream Products

89894-27-9Relevant articles and documents

Transition-metal-free mono- or dinitration of protected anilines

Dai, Enrui,Dong, Ying,Dong, Yongrui,Kong, Rui,Liang, Deqiang,Liu, Guangzhang,Ma, Yinhai,Wu, Qiong

, (2020)

An amide-assisted arene nitration is presented, and both mono- and dinitration of protected anilines could be effected by using NaNO2 and NaNO3 as the mono- and bisnitrating agents, respectively. This divergent synthesis is transition-metal- and acid-free, and features a broad substrate scope, low cost, and ortho–para selectivity.

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