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155652-89-4

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155652-89-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 155652-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,5,6,5 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 155652-89:
(8*1)+(7*5)+(6*5)+(5*6)+(4*5)+(3*2)+(2*8)+(1*9)=154
154 % 10 = 4
So 155652-89-4 is a valid CAS Registry Number.

155652-89-4Relevant articles and documents

5(10H)-Phenazinyl Radicals and Corresponding 5,10-Dihydrophenazine Radical Cations: An EPR and ENDOR Study

Peraus, Gunfried,Neugebauer, Franz A.

, p. 715 - 746 (2007/10/02)

The 5(10H)-phenazinyl radicals 1b-k have been prepared by reduction of the corresponding phenazinium salts 6b-k with ascorbic acid or potassium hexacyanoferrate(II) and were studied using EPR, ENDOR and general triple resonance spectroscopy.The results led to a complete analysis and full assignment of the HFC constants.Our assignment differs from that previously proposed.In many details the spin delocalization in the 5(10H)-phenazinyl system corresponds to that in diphenyl aminyl.Protonation provided the corresponding radical cations 2b-k which were also studied.

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