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83859-73-8

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83859-73-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83859-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,5 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83859-73:
(7*8)+(6*3)+(5*8)+(4*5)+(3*9)+(2*7)+(1*3)=178
178 % 10 = 8
So 83859-73-8 is a valid CAS Registry Number.

83859-73-8Relevant 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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