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67829-47-4

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67829-47-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67829-47-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,2 and 9 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 67829-47:
(7*6)+(6*7)+(5*8)+(4*2)+(3*9)+(2*4)+(1*7)=174
174 % 10 = 4
So 67829-47-4 is a valid CAS Registry Number.

67829-47-4Downstream Products

67829-47-4Relevant articles and documents

Metal-free protocol for the synthesis of N-arylpyrrolidines catalyzed by hydrogen iodine

Hou, Tingting,Zhang, Chaofeng,Wang, Yehong,Liu, Zhenting,Zhang, Zhixin,Wang, Feng

, p. 56 - 59 (2017/03/09)

A metal-free and efficient approach to N-arylpyrrolidines from arylamines and cyclic ethers catalyzed by hydrogen iodine is described. In this protocol, no additive is added and a wide range of N-arylpyrrolidines are synthesized with up to 99% yield. Reaction mechanism involving iodine radical is proposed.

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