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1252805-89-2

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1252805-89-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1252805-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,8,0 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1252805-89:
(9*1)+(8*2)+(7*5)+(6*2)+(5*8)+(4*0)+(3*5)+(2*8)+(1*9)=152
152 % 10 = 2
So 1252805-89-2 is a valid CAS Registry Number.

1252805-89-2Relevant articles and documents

Temperature-Controlled Thiation of α-Cyano-β-Alkynyl Carbonyl Derivatives for de Novo Synthesis of 2-Aminothiophenes and Thieno[2,3- c]isothiazoles

Kao, Tzu-Ting,Peng, Bo-Kai,Liang, Min-Chieh,Lee, Chia-Jui,Chen, I-Chia,Shia, Kak-Shan,Wu, Yen-Ku

, p. 14688 - 14697 (2018/10/24)

Making use of temperature-controlled thiation as a key operation, a simple route to 2-aminothiophenes or thieno[2,3-c]isothiazoles has been newly developed wherein the 2-aminothiophene nucleus was formed through an initial formation of thioamide followed

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