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98758-31-7

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98758-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98758-31-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,5 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 98758-31:
(7*9)+(6*8)+(5*7)+(4*5)+(3*8)+(2*3)+(1*1)=197
197 % 10 = 7
So 98758-31-7 is a valid CAS Registry Number.

98758-31-7Relevant articles and documents

Synthesis of L-vancosamine derivatives from methyl α-D- mannopyranoside

Hsu, Day-Shin,Matsumoto, Takashi,Suzuki, Keisuke

, p. 469 - 471 (2007/10/03)

Concise synthesis of L-vancosamine, the amino sugar constituent of vancomycin and other antibiotics, has been achieved. The key steps include (1) stereoselective addition of methylcerium reagent to oximino ether, and (2) stereoselective hydrogenation of 5

Branched-chain Sugars. Part 18. Syntheses of D-Rubranitrose (2,3,6-Trideoxy-3-C-methyl-4-O-methyl-3-nitro-D-xylo-hexopyranose) and a Derivative of D-Kijanose (2,3,4,6-Tetradeoxy-4-methoxycarbonylamino-3-methyl-3-nitro-α-D-xylo-hexopyranose)

Brimacombe, John S.,Rahman, Khandker M. M.

, p. 1073 - 1080 (2007/10/02)

D-Rubranitrose (2,3,6-trideoxy-3-C-methyl-4-O-methyl-3-nitro-D-xylo-hexopyranose) (22), a constituent of the antibiotic rubradirin, has been synthesized from methyl 3,31-anhydro-4,6-O-benzylidene-2-deoxy-3-C-(hydroxymethyl)-α-D-arabino-hexopyr

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