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172476-42-5

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172476-42-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172476-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,7 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 172476-42:
(8*1)+(7*7)+(6*2)+(5*4)+(4*7)+(3*6)+(2*4)+(1*2)=145
145 % 10 = 5
So 172476-42-5 is a valid CAS Registry Number.

172476-42-5Relevant articles and documents

Synthesis of 2,6-difluorodopamine and 3-(2,6-difluoro-3,4-dihydroxyphenyl)alanine

Nie, Jung-ying,Kirk, Kenneth L.

, p. 303 - 306 (1995)

2,6-Difluorodopamine and 3-(2,6-difluoro-3,4-dihydroxyphenyl)alanine were prepared by side-chain elaboration of 2,6-difluoroveratraldehyde, followed by removal of propecting groups. - Keywords: Synthesis; Difluorodopamine; Difluorodihydroxyphenylalanine; NMR spectroscopy; Mass spectrometry

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