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72735-68-3

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72735-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72735-68-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,3 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 72735-68:
(7*7)+(6*2)+(5*7)+(4*3)+(3*5)+(2*6)+(1*8)=143
143 % 10 = 3
So 72735-68-3 is a valid CAS Registry Number.

72735-68-3Relevant articles and documents

Synthesis of Paracyclo(1,8)naphthalenophane and Paracyclo(5,6)acenaphthenophane

Kasahara, Akira,Izumi, Taeko,Shimizu, Iwao,Satou, Masahiro,Katou, Takao

, p. 2434 - 2440 (2007/10/02)

Paracycloparacyclo(1,8)naphthalenophan-9-ene-1,17-diyne, paracycloparacyclo(5,6)acenaphthenophan-7-ene, and paracycloparacyclo(5,6)acenaphthenophan-9-ene-1,17-diyne, were synthesized by intramolecular reductive coupling reaction

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