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180028-23-3

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180028-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180028-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,0,2 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 180028-23:
(8*1)+(7*8)+(6*0)+(5*0)+(4*2)+(3*8)+(2*2)+(1*3)=103
103 % 10 = 3
So 180028-23-3 is a valid CAS Registry Number.

180028-23-3Relevant articles and documents

Synthesis and use of deuterated 3,4-dihydroxyphenylglycolaldehyde as an internal standard for determination of dopegal in brain tissue by gas chromatography-mass spectrometry

Li, Shu Wen,Spaziano, Vincent T.,Elliott, William H.,Burke, William J.

, p. 169 - 177 (2007/10/03)

Trideuterated 3,4-dihydroxyphenylglycolaldehyde (DOPEGAL-d3) was synthesized from tetradeuterated catechol. After derivatization with N- methyl-N-trimethylsilyltrifluoroacetamide, the identity of DOPEGAL-d3 was confirmed by comparison with unlabeled DOPEGAL by gas chromatography-mass spectrometry (GC-MS); they have the same pattern of mass fragmentation. The deuterated DOPEGAL was used as an internal standard for the determination of DOPEGAL in human locus ceruleus by GC-MS in the selected ion monitoring mode.

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