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331273-42-8

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331273-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331273-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,2,7 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 331273-42:
(8*3)+(7*3)+(6*1)+(5*2)+(4*7)+(3*3)+(2*4)+(1*2)=108
108 % 10 = 8
So 331273-42-8 is a valid CAS Registry Number.

331273-42-8Relevant articles and documents

Synthesis of building blocks for carba-oligosaccharides: 5a′-Carbamaltose and 5a′-carbacellobiose, and 5a-carba-β-D-mannopyranosyl-(1→4)-D-glucopyranose

Ogawa,Ohmura,Hisamatsu

, p. 312 - 316 (2001)

Practical synthesis of ether-linked 5a′-carbamaltose and -cellobiose, and the related carbadisaccharide starting from a sole condensate of the 1,2-anhydro-3-O-benzyl-4,6-O-benzylidene-5a-carba-β-D-mannopyranose and methyl 2,3,6-tri-O-benzyl-α-D-glucopyranoside is described.

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