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880252-09-5

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880252-09-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 880252-09-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,2,5 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 880252-09:
(8*8)+(7*8)+(6*0)+(5*2)+(4*5)+(3*2)+(2*0)+(1*9)=165
165 % 10 = 5
So 880252-09-5 is a valid CAS Registry Number.

880252-09-5Relevant articles and documents

Synthesis and photochromic properties of 2H,9H-indeno[1,2-f]- and 3H,7H-indeno[2,1-i]-naphtho[2,1-b]pyrans

Gabbutt, Christopher D.,Heron, B. Mark,Mars, Craig A.,Partington, Steven M.

, p. 167 - 172 (2005)

Expedient syntheses of the 3-hydroxy- and 6-hydroxy- derivatives of 11H-benzo[a]-fluoren-11-one, obtained via Suzuki-Miyaura couplings are described. Reactions of these phenols with 1,1-diarylprop-2-yn-1-ols give indeno[2,1-i]- and indeno[1,2-f]-naphtho[2

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