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57712-83-1

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57712-83-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57712-83-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,1 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 57712-83:
(7*5)+(6*7)+(5*7)+(4*1)+(3*2)+(2*8)+(1*3)=141
141 % 10 = 1
So 57712-83-1 is a valid CAS Registry Number.

57712-83-1Upstream product

57712-83-1Downstream Products

57712-83-1Relevant articles and documents

Structural characterisation of degradation products formed upon di-n-butyl phthalate radiolysis by high-performance liquid chromatography electrospray tandem mass spectrometry

Tintaru, Aura,Labed, Veronique,Charles, Laurence

experimental part, p. 595 - 603 (2011/11/12)

Structural characterisation of 15 degradation products, formed upon di-n-butyl phthalate (DBP) radiolysis, has been achieved using a high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) coupling. The dissociation behaviour of protonated DBP was first established to be further used to characterise structural deviation in the degradation products. Based on accurate mass measurements, compounds shown by HPLC-MS analysis were all found to be DBP oxidation products, amongst which various sets of isomers could be distinguished. Collision-induced dissociation experiments performed on each electrosprayed molecule first allowed unambiguous definition of the location of the additional oxygen atoms; that is, in the alkyl branch or on the aromatic ring. Although location of the oxygen atom in the alkyl branches could not always be precisely determined, relative abundances of some product ions allowed oxygenated functions to be identified.

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