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187083-12-1

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187083-12-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 187083-12-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,0,8 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 187083-12:
(8*1)+(7*8)+(6*7)+(5*0)+(4*8)+(3*3)+(2*1)+(1*2)=151
151 % 10 = 1
So 187083-12-1 is a valid CAS Registry Number.

187083-12-1Relevant articles and documents

Synthesis of methyl O-α-D-mannosyl-(1→4)-[(3-O-methyl-α-D-mannosyl) -(1→4)-]n3-O-methyl-α-D-mannosides (n = 0, 1, and 2) via dehydrative glycosylation

Hirooka, Motoko,Terayama, Megumi,Mitani, Emi,Koto, Shinkiti,Miura, Asako,Chiba, Kayo,Takabatake, Ayano,Tashiro, Takako

, p. 1301 - 1309 (2007/10/03)

Methyl O-α-D-mannopyranosyl-(1→4)-[(3-O-methyl-α-D-mannopyranosyl -(1→4)-]n3-O-methyl-α-D-mannopyra-nosides (n = 0, 1, and 2), the lowest homologs related to the 3-O-methylmannose polysaccharides (MMP) from Mycobacterium smegmatis, were synthesized via dehydrative glycosylation reactions. The reagent systems, composed of p-nitrobenzenesulfonyl chloride, silver trifluoromethanesulfonate, and triethylamine, of p-nitrobenzenesulfonyl chloride, silver trifluoromethanesulfonate, and 1, 8-diazabicyclo[5.4.0]undec-7-ene, and of trimethylsilyl trifuloromethanesulfonate and pyridine were useful.

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