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19318-20-8

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19318-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19318-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,3,1 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 19318-20:
(7*1)+(6*9)+(5*3)+(4*1)+(3*8)+(2*2)+(1*0)=108
108 % 10 = 8
So 19318-20-8 is a valid CAS Registry Number.

19318-20-8Downstream Products

19318-20-8Relevant articles and documents

Regio- and stereoselective cyclizations of dianhydro sugar alcohols catalyzed by a chiral (salen)CoIII complex

Satoh, Toshifumi,Imai, Tomoko,Umeda, Satoshi,Tsuda, Katsuyuki,Hashimoto, Hisaho,Kakuchi, Toyoji

, p. 2677 - 2681 (2007/10/03)

The (salen)CoIIIOAc ((R,R)-1 and (S,S)-1) catalyzed cyclizations of the chiral dianhydro sugars, 1,2:5,6-dianhydro-3,4-di-O-methyl-d-glucitol (2), 1,2:5,6-dianhydro-3,4-di-O-methyl-d-mannitol (3), 1,2:5,6-dianhydro-3,4-di- O-methyl-l-iditol (4)

Marine natural products. XXVIII. The structures of sarasinosides A1, A2, A3, B1, B2, B3, C1, C2, and C3, nine new norlanostane-triterpenoidal oligoglycosides from the palauan marine sponge Asteropus sarasinosum

Kobayashi,Okamoto,Kitagawa

, p. 2867 - 2877 (2007/10/02)

The chemical structures of sarasinosides A1, A2, A3, B1, B2, B3, C1, C2, and C3, nine 30-norlanostane-triterpenoidal oligoglycosides isolated from the Palauan marine sponge Asteropus sarasinosum have been elucidated on the basis of chemical and physicochemical evidence. Sarasinosides A2 (2) and A3 (3) were shown to he the 7,9(11)-diene and 8,14-diene analogs of sarasinoside A1 (1), whereas sarasinosides B2 (7) and B3 (9) were the 7,9(11)-diene and 8,14-diene analogs of sarasinoside B1 (5), respectively. Similar structural correlations of sarasinosides C2 (6) and C3 (8) with sarasinoside C1 (4) were demonstrated. These sarasinosides characteristically contain one mole each of N-acetylglucosamine and N-acetylgalactosamine in their oligosaccharide moieties.

SYNTHESIS OF p-AMINOPHENYL β-D-RIBOFURANOSIDE 3-(D-RIBIT-5-YL PHOSPHATE)

Garegg, Per J.,Johansson, Rolf,Lindh, Ingvar,Samuelsson, Bertil

, p. 285 - 289 (2007/10/02)

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