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1239950-82-3

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1239950-82-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239950-82-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,9,5 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1239950-82:
(9*1)+(8*2)+(7*3)+(6*9)+(5*9)+(4*5)+(3*0)+(2*8)+(1*2)=183
183 % 10 = 3
So 1239950-82-3 is a valid CAS Registry Number.

1239950-82-3Downstream Products

1239950-82-3Relevant academic research and scientific papers

Trimethylchlorosilane-Mediated Mild α-Chlorination of 1,3-Dicarbonyl Compounds Promoted by Phenyliodonium Diacetate

Chong, Siying,Su, Yingpeng,Wu, Lili,Zhang, Weigang,Ma, Junyan,Chen, Xiaowei,Huang, Danfeng,Wang, Ke-Hu,Hu, Yulai

supporting information, p. 1359 - 1370 (2016/05/02)

Trimethylchlorosilane was used as chlorine source for the α-chlorination of 1,3-dicarbonyl compounds with phenyliodonium diacetate as oxidant at room temperature. The reaction allows the selective synthesis of α-monochlorinated products from different kinds of 1,3-dicarbonyl compounds in good yield. The potential possibility of this conversion for bromination has also been investigated.

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