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143850-03-7

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143850-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143850-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,5 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143850-03:
(8*1)+(7*4)+(6*3)+(5*8)+(4*5)+(3*0)+(2*0)+(1*3)=117
117 % 10 = 7
So 143850-03-7 is a valid CAS Registry Number.

143850-03-7Downstream Products

143850-03-7Relevant articles and documents

Microwave irradiation as an efficient tool for the generation of N-heterocyclic o-quinodimethanes: Synthesis of polyheterocyclic compounds by Diels-Alder reactions

Díaz-Ortiz, ángel,Herrero, María A.,De La Hoz, Antonio,Moreno, Andrés,Carrillo, José R.

, p. 579 - 582 (2007/10/03)

Microwave irradiation provides a general methodology for the generation of o-quinodimethanes derived from 1,2,4-triazine, pyrazole and 1,2,3-triazole. The cycloaddition reactions of such compounds with electron-deficient dienophiles allow the correspondin

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