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91704-27-7

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91704-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91704-27-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,7,0 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91704-27:
(7*9)+(6*1)+(5*7)+(4*0)+(3*4)+(2*2)+(1*7)=127
127 % 10 = 7
So 91704-27-7 is a valid CAS Registry Number.

91704-27-7Relevant articles and documents

Total Synthesis of Enantiomerically Pure D- and L-Glycosyl Donors as Components of Sannamycin-type Aminoglycoside Antibiotics

Ludin, Christian,Schwesinger, Berit,Schwesinger, Reinhard,Meier, Walter,Seitz, Bernhard,et al.

, p. 2685 - 2702 (2007/10/02)

Both enantiomers of purpurosaminides C (ent-7b, 13a-c) of a 2-azido analogue (ent-16b) and of 2-azido epimers (ent-26b, ent-29b), suitably protected for their direct use as glycosyl donors, are prepared from racemic 3,4-dihydro-2H-pyran-2-carbaldehyde (ac

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