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13670-21-8

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13670-21-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13670-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,6,7 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13670-21:
(7*1)+(6*3)+(5*6)+(4*7)+(3*0)+(2*2)+(1*1)=88
88 % 10 = 8
So 13670-21-8 is a valid CAS Registry Number.

13670-21-8Relevant articles and documents

An efficient synthesis of 1-acyl-3-arylimidazolidines catalyzed by montmorillonite K-10 clay under microwave irradiation

Caterina, Maria Cristina,Corona, Maria Veronica,Perillo, Isabel,Salerno, Alejandra

experimental part, p. 771 - 781 (2009/06/18)

The synthesis of 1-acyl-3-arylimidazolidines were performed by reaction of N-acyl-N'-arylethylenediamines with formaldehyde and Montmorillonite clay K-10 as a catalyst under microwave irradiation.

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