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Acetic acid 4-{butyl-[4-(6,7,9,10,12,13,15,16,18,19-decahydro-5,8,11,14,17,20-hexaoxa-benzocyclooctadecen-2-ylazo)-phenyl]-carbamoyl}-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81327-91-5

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81327-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81327-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,2 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81327-91:
(7*8)+(6*1)+(5*3)+(4*2)+(3*7)+(2*9)+(1*1)=125
125 % 10 = 5
So 81327-91-5 is a valid CAS Registry Number.

81327-91-5Relevant academic research and scientific papers

Photoresponsive Crown Ethers. 5. Light-Driven Ion Transport by Crown Ethers with a Photoresponsive Anionic Cap

Shinkai, Seiji,Minami, Takahide,Kusano, Yumiko,Manabe, Osamu

, p. 1967 - 1972 (2007/10/02)

Three photoresponsive ionophores (Cr-o, Cr-m, and Cr-p) in which benzo-18-crown-6 and a phenol group are linked with a photoisomerizable azo linkage were synthesized.On the irradiation of UV light, the azo linkage isomerized to the cis forms (46-73percent

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