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440652-81-3

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440652-81-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 440652-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,6,5 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 440652-81:
(8*4)+(7*4)+(6*0)+(5*6)+(4*5)+(3*2)+(2*8)+(1*1)=133
133 % 10 = 3
So 440652-81-3 is a valid CAS Registry Number.

440652-81-3Relevant articles and documents

Reversal of anomeric selectivity with O-glycosyl trichloroacetimidates as glycosyl donors and thiols as acceptors under acid/base catalysis

Kumar, Amit,Schmidt, Richard R.

supporting information; experimental part, p. 2715 - 2719 (2012/06/30)

Boron trifluoride or trimethylsilyl trifluoromethanesulfonate catalysed the generation of thioglycosides from O-glucopyranosyl or O-galactopyranosyl trichloroacetimidates and thiols giving mainly or exclusively α-thioglycosides. However, the same reaction

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