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250739-98-1

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250739-98-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250739-98-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,7,3 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 250739-98:
(8*2)+(7*5)+(6*0)+(5*7)+(4*3)+(3*9)+(2*9)+(1*8)=151
151 % 10 = 1
So 250739-98-1 is a valid CAS Registry Number.

250739-98-1Relevant articles and documents

New synthesis of benzo-δ-carbolines, cryptolepines, and their salts: In vitro cytotoxic, antiplasmodial, and antitrypanosomal activities of δ-carbolines, benzo-δ-carbolines, and cryptolepines

Arzel,Rocca,Grellier,Labae?d,Frappier,Guéritte,Gaspard,Marsais,Godard,Quéguiner

, p. 949 - 960 (2007/10/03)

The paper describes, in its first part, a new synthesis of benzo-δ-carbolines, cryptolepines, and their salts. The strategy is based on the association between halogen-dance and hetero-ring cross-coupling. It is fully convergent and regioselective with in

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