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145821-55-2

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145821-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 145821-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,2 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 145821-55:
(8*1)+(7*4)+(6*5)+(5*8)+(4*2)+(3*1)+(2*5)+(1*5)=132
132 % 10 = 2
So 145821-55-2 is a valid CAS Registry Number.

145821-55-2Downstream Products

145821-55-2Relevant articles and documents

Synthesis of (+)-Vitepyrroloid A and (+)-Vitepyrroloid B by Late-Stage Ni-Catalyzed C(sp2)-C(sp3) Cross-Electrophile Coupling

Menger, Martina,Lentz, Dieter,Christmann, Mathias

, p. 6793 - 6797 (2018)

A concise and scalable five-step synthesis of vitepyrroloids A and B, two cytotoxic labdane diterpenoid alkaloids from Vitex trifolia, is reported. The presented approach features a Ni-catalyzed cross-electrophile coupling between a (+)-sclareolide-derived alkyl iodide and 3-bromo-2-cyanopyrrole.

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