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61221-42-9

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61221-42-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61221-42-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,2,2 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 61221-42:
(7*6)+(6*1)+(5*2)+(4*2)+(3*1)+(2*4)+(1*2)=79
79 % 10 = 9
So 61221-42-9 is a valid CAS Registry Number.

61221-42-9Downstream Products

61221-42-9Relevant articles and documents

Total synthesis of Amaryllidaceae alkaloids utilizing sequential intramolecular heterocyclic azadiene Diels-Alder reactions of an unsymmetrical 1,2,4,5-tetrazine

Boger,Wolkenberg

, p. 9120 - 9124 (2007/10/03)

Convergent total syntheses of anhydrolycorinone, hippadine, and anhydrolycorinium chloride are detailed, enlisting sequential inverse electron demand Diels-Alder reactions of an unsymmetrical N-acyl-6-amino-1,2,4,5-tetrazine.

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