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263757-69-3

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263757-69-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263757-69-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,5 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 263757-69:
(8*2)+(7*6)+(6*3)+(5*7)+(4*5)+(3*7)+(2*6)+(1*9)=173
173 % 10 = 3
So 263757-69-3 is a valid CAS Registry Number.

263757-69-3Downstream Products

263757-69-3Relevant articles and documents

Synthesis and spectral property of novel phthalocyanines substituted with four azo group moieties on periphery of phthalocyanine ring

Li, Ying-Feng,Li, Shao-Lu,Ke, Jian Jiang,Yang, Lian-Ming

, p. 1450 - 1451 (2004)

A novel class of phthalocyanines substituted with azo group moieties on the periphery of phthalocyanine ring was synthesized, and they show obvious, broad uncommon absorption band in the visible region compared to those normal phthalocyanines.

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