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177161-38-5

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177161-38-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177161-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,1,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 177161-38:
(8*1)+(7*7)+(6*7)+(5*1)+(4*6)+(3*1)+(2*3)+(1*8)=145
145 % 10 = 5
So 177161-38-5 is a valid CAS Registry Number.

177161-38-5Downstream Products

177161-38-5Relevant articles and documents

Zinc complexes of the N,N,S ligand (mercaptophenyl)(picolyl)amine

Brand, Udo,Vahrenkamp, Heinrich

, p. 435 - 440 (1996)

The zinc complex chemistry of the tridentate thiol ligand N-(2-mercaptophenyl)(2-picolyl)amine (MPPAH) differs considerably from that of the aliphatic analogue N-(2-mercaptoethyl)(2-picolyl)amine reported previously. This is due to the lower basicity and hence bridging tendency of its aromatic thiolate function. With zinc salts of oxo anions the 1:1 complexes (MPPA)ZnX (1a-c: X = ONO2, OAc, OBz) are formed which according to spectroscopic data are monomeric while the halide (MPPA)ZnBr (2) seems to be polymeric. In the absence of coordinating anions the monomeric 2:1 complex (MPPA)2Zn (3) results which according to a crystal structure determination contains tetrahedral zinc coordinated by one MPPA ligand in a tridentate fashion while the other is only monodentate and sulfur-bound. A similar N2S2 coordination can be deduced for the 1:1:1 complex (MPPA)Zn(STrt) (4) resulting from ZnEt2, MPPAH and triphenylmethanethiol. VCH Verlagigesdlschaft mbH, 1996.

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