171973-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171973-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,9,7 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 171973-25:
(8*1)+(7*7)+(6*1)+(5*9)+(4*7)+(3*3)+(2*2)+(1*5)=154
154 % 10 = 4
So 171973-25-4 is a valid CAS Registry Number.
171973-25-4Relevant articles and documents
Stereoselective glycosylation using fully benzylated pyrimidin-2-yl 1-thio-β-D-glycopyranosides
Chen, Qian,Kong, Fanzuo
, p. 149 - 158 (2007/10/03)
Pyrimidin-2-yl, 2,3,4,6-tetra-O-benzyl-1-thio-β-D-gluco- (5) and -β-D-galacto-pyranoside (6), and pyrimidin-2-yl 2,3,4-tri-O-benzyl-1-thio-β-D-xylo- (7), and -α-D-arabino-pyranoside (8) were readily prepared from the corresponding per-O-acetylated 1-thiog