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156481-77-5

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156481-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156481-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,4,8 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 156481-77:
(8*1)+(7*5)+(6*6)+(5*4)+(4*8)+(3*1)+(2*7)+(1*7)=155
155 % 10 = 5
So 156481-77-5 is a valid CAS Registry Number.

156481-77-5Relevant articles and documents

Synthetic Studies on the Key Component of the New Generation of Quinolonecarboxylic Acid, DU-6859. 2. Asymmetric Synthesis of (1R,2S)-2-Fluorocyclopropylamine

Akiba, Toshifumi,Tamura, Osamu,Hashimoto, Masaru,Kobayashi, Yuko,Katoh, Tadashi,et al.

, p. 3905 - 3914 (2007/10/02)

The title synthesis was achieved by featuring diastereoface-selective cyclopropanation of (4R,5S)-4,5-diphenyl-3-vinyl-2-oxazolidinone and its related compounds, the chiral conformationally rigid N-vinylcarbamates, with zinc-monofluorocarbenoid, followed

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