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1229227-01-3

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1229227-01-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1229227-01-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,9,2,2 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1229227-01:
(9*1)+(8*2)+(7*2)+(6*9)+(5*2)+(4*2)+(3*7)+(2*0)+(1*1)=133
133 % 10 = 3
So 1229227-01-3 is a valid CAS Registry Number.

1229227-01-3Upstream product

1229227-01-3Relevant articles and documents

A process for preparing aldehyde group benzene boric acid

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Paragraph 0028; 0029; 0030, (2017/07/04)

The invention discloses a method for preparing formyl phenylboronic acid, which comprises the following steps: heating halogenated phenylboronic acid in toluene or heptane under reflux for dewatering to form a tripolymer, mixing the tripolymer with dimethylformamide, dropwisely adding n-butyllithium at low temperature to react by a one-pot process, hydrolyzing with hydrochloric acid, and recrystallizing to obtain the formyl phenylboronic acid. The method is simple to operate, avoids the process of separating the intermediate after formyl protection in the conventional technique, has high universality, can obtain favorable yield for ortho-, meta- and para- formyl phenylboronic acids, and is beneficial to scale-up production.

Transition-metal-free electrophilic amination of arylboroxines

Xiao, Qing,Tian, Leiming,Tan, Renchang,Xia, Ying,Qiu, Di,Zhang, Yan,Wang, Jianbo

supporting information; experimental part, p. 4230 - 4233 (2012/09/22)

A transition-metal-free strategy to construct C(sp2)-N bonds using arylboroxines and O-benzoyl hydroxylamines as coupling partners has been developed. This transformation provides a useful method to access various aromatic amines.

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