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102717-21-5

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102717-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102717-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,1 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 102717-21:
(8*1)+(7*0)+(6*2)+(5*7)+(4*1)+(3*7)+(2*2)+(1*1)=85
85 % 10 = 5
So 102717-21-5 is a valid CAS Registry Number.

102717-21-5Relevant articles and documents

p-Trifluoroacetamidophenyl O-alpha-D-mannopyranosyl-(1----3)-O-[alpha-D-mannopyranosyl- (1----6)]-beta-D-mannopyranoside.

Ekborg,Glaudemans

, p. 213 - 221 (2007/10/02)

p-Nitrophenyl 2-O-benzyl-4,5-O-cyclohexylidene-beta-D-mannopyranoside (4) was condensed with tetra-O-benzoyl-alpha-D-mannopyranosyl bromide. The resulting, protected disaccharide was converted into p-nitrophenyl O-(2,3,4-tri-O-benzoyl-alpha-D-mannopyranos

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