Cas 167480-59-3,C14H10O2S

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Check Digit Verification of cas no

The CAS Registry Mumber 167480-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,4,8 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 167480-59:
(8*1)+(7*6)+(6*7)+(5*4)+(4*8)+(3*0)+(2*5)+(1*9)=163
163 % 10 = 3
So 167480-59-3 is a valid CAS Registry Number.

167480-59-3Upstream product

167480-59-3Downstream Products

1398416-45-9 C₂₀H₁₈O₅S

167480-59-3Relevant academic research and scientific papers

CHROMENE COMPOUND

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Paragraph 0191, (2014/01/23)

A novel photochromic compound which develops a color of a neutral tint and has high color optical density, high fading speed and excellent durability. The present invention is a chromene compound having an indeno(2,1-f)naphtho(1,2-b)pyran structure as the basic skeleton in which a hetero ring having two hetero atoms including at least one sulfur atom is directly bonded to the 6-position and the 7-position of the indeno(2,1-f)naphtho(1,2-b)pyran structure via the hetero atom like the compound represented by the following formula (18).

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167480-59-3

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