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163680-80-6

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163680-80-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163680-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,6,8 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 163680-80:
(8*1)+(7*6)+(6*3)+(5*6)+(4*8)+(3*0)+(2*8)+(1*0)=146
146 % 10 = 6
So 163680-80-6 is a valid CAS Registry Number.

163680-80-6Upstream product

163680-80-6Downstream Products

163680-80-6Relevant articles and documents

Practical synthesis of T-3761, (S)-10-(1-aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyr ido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

Todo,Takagi,Iino,Hayashi,Takata,Kuroda,Momonoi,Narita

, p. 2629 - 2632 (2007/10/02)

An economical 11-step synthesis of T-3761 (1), a new quinolone antibacterial agent discovered by us, has been developed. Commercially available 2,3,4,5-tetrafluorobenzoic acid (2) has been transformed to 4-(1-acetaminocyclopropyl)-2,3,5-trifluorobenzoic a

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