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90318-51-7

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90318-51-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90318-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,1 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90318-51:
(7*9)+(6*0)+(5*3)+(4*1)+(3*8)+(2*5)+(1*1)=117
117 % 10 = 7
So 90318-51-7 is a valid CAS Registry Number.

90318-51-7Relevant articles and documents

Anomeric O-Alkylation, 9. Disaccharide Synthesis via Anomeric O-Alkylation

Tsvetkov, Yury E.,Klotz, Wolfgang,Schmidt, Richard R.

, p. 371 - 376 (2007/10/02)

Base-promoted reaction of tetra-O-benzyl-glucose 1a with secondary alkyl trifluoromethanesulfonates 2 and 3 in toluene provides in the presence of 15-crown-5 preferentially β-glycosides 2aβ and 3aβ, respectively, in high yields.For reactions carried out a

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