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23451-58-3

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23451-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23451-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,4,5 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23451-58:
(7*2)+(6*3)+(5*4)+(4*5)+(3*1)+(2*5)+(1*8)=93
93 % 10 = 3
So 23451-58-3 is a valid CAS Registry Number.

23451-58-3Relevant articles and documents

Counterion effects in a gold-catalyzed synthesis of pyrroles from alkynyl aziridines

Davies, Paul W.,Martin, Nicolas

supporting information; experimental part, p. 2293 - 2296 (2009/10/02)

Aryl-substituted N-tosyl alkynyl aziridines undergo a gold-catalyzed ring expansion to afford 2,5-substituted pyrrole products. Under certain conditions, a ring-expansion and rearrangement leads to 2,4-substituted pyrroles. The reaction pathway is determi

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