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1333245-13-8

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1333245-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333245-13-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,2,4 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1333245-13:
(9*1)+(8*3)+(7*3)+(6*3)+(5*2)+(4*4)+(3*5)+(2*1)+(1*3)=118
118 % 10 = 8
So 1333245-13-8 is a valid CAS Registry Number.

1333245-13-8Downstream Products

1333245-13-8Relevant articles and documents

Construction of two- or three-component low molecular weight gel systems

Yamanaka, Masamichi,Aoyama, Ryohei

, p. 1127 - 1131 (2010)

Pyridyl group-bound tris-urea 2, whose structure issimilar to the tris-urea low molecular weight gelator (LMWG) 1, was synthesized. Addition of a trace amount of 2 and Pd(OAc)2 to 1 resulted in a reduction in the critical gelation concentration (CGC) in acetone. Metal-ligand interaction between Pd(OAc)2 and the pyridyl group of 2 assist the gelation. Assistance by intermolecular hydrogen bonding was also effective for gelation of acetone. An acetone gel of 1 was formed at half the value of the CGC of 1 alone by adding a trace amount of 2 and isophthalicacid. Scanning electron microscopy (SEM) measurements of these aggregates showed structural alterations caused by the additive. A mixture of 1 and a trace amount of 2 in EtOAc gave a gel. Addition of 2 was essential to form the gel, because 1 alone did not gel EtOAc. SEM measurements indicated that 2 produced extension of the fibrous aggregates.

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