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173424-86-7

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173424-86-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173424-86-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,4,2 and 4 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 173424-86:
(8*1)+(7*7)+(6*3)+(5*4)+(4*2)+(3*4)+(2*8)+(1*6)=137
137 % 10 = 7
So 173424-86-7 is a valid CAS Registry Number.

173424-86-7Relevant articles and documents

An oxazoline-mediated synthesis of the pyrrolophenanthridine alkaloids and some novel derivatives

Hutchings, Richard H.,Meyers

, p. 1004 - 1013 (2007/10/03)

An unsymmetrical biaryl coupling between the Grignard of N-benzyl-7-bromoindoline 25 and the appropriately substituted (o-methoxyaryl)oxazoline 15 leads to an intermediate biaryl which can be elaborated in one step to the 1H-pyrrolo[3,2,1-de]phenanthridine ring system. This simple two-step sequence provides general access to the pyrrolophenanthridine alkaloids 2-6.

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