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49574-16-5

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49574-16-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 49574-16-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,5,7 and 4 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 49574-16:
(7*4)+(6*9)+(5*5)+(4*7)+(3*4)+(2*1)+(1*6)=155
155 % 10 = 5
So 49574-16-5 is a valid CAS Registry Number.

49574-16-5Downstream Products

49574-16-5Relevant articles and documents

Copper(i) iodide-catalyzed synthesis of N,N′-disubstituted guanidines from n-substituted cyanamides

Zeng, Cian-Jhe,Chen, Chia-Jung,Chang, Chih-Wei,Chen, Hui-Ting,Chien, Tun-Cheng

, p. 1134 - 1137 (2014)

A facile and effective synthesis of N-alkyl-N′-arylguanidines was accomplished by the reaction of N-arylcyanamides with various primary and secondary alkylamines, under the catalysis of copper(i) iodide and Xantphos in DMF. This methodology provides a direct access to versatile N,N′- disubstituted guanidine derivatives from N-arylcyanamides that can be readily prepared from the corresponding nitriles via Tiemann rearrangement. CSIRO 2014.

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