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1372539-27-9

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1372539-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1372539-27-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,2,5,3 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1372539-27:
(9*1)+(8*3)+(7*7)+(6*2)+(5*5)+(4*3)+(3*9)+(2*2)+(1*7)=169
169 % 10 = 9
So 1372539-27-9 is a valid CAS Registry Number.

1372539-27-9Downstream Products

1372539-27-9Relevant articles and documents

Synthesis of novel fused thienodiazaphosphorine derivatives from 2-amino-3-cyanothiophenes and Lawesson's reagent

Khalladi, Khaoula,Touil, Soufiane

experimental part, p. 27 - 32 (2012/07/03)

In a simple one-pot procedure, treatment of 2-amino-3-cyanothiophenes with Lawesson's reagent (LR) leads to the new thieno[2,3-d][1,3,2]diazaphosphorine-6- thione-2-sulfides in good to excellent yields. A possible reaction mechanism, involving a Dimroth-type rearrangement, is proposed. The structure of obtained products was confirmed by NMR (1H, 31P, and 13C) and IR spectroscopies and by mass spectrometry.

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