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550348-59-9

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550348-59-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 550348-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,0,3,4 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 550348-59:
(8*5)+(7*5)+(6*0)+(5*3)+(4*4)+(3*8)+(2*5)+(1*9)=149
149 % 10 = 9
So 550348-59-9 is a valid CAS Registry Number.

550348-59-9Downstream Products

550348-59-9Relevant articles and documents

Diastereoselective cyclization in chiral diarylethene crystals: Polymorphism and selectivity

Yamamoto, Satoshi,Matsuda, Kenji,Irie, Masahiro

, p. 1769 - 1772 (2007/10/03)

(Matrix presented) An optically active photochromic diarylethene, (s)-1-(2-methyl-5-phenyl-3-thienyl)-2-[2-methyl-5-(4-(3-methyl-1-penten-1-yl) phenyl)-3-thienyl]-perfluorocyclopentene ((S)-1a), was synthesized. (S)-1a formed two crystalline phases, α- an

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