109681-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109681-63-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,8 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 109681-63:
(8*1)+(7*0)+(6*9)+(5*6)+(4*8)+(3*1)+(2*6)+(1*3)=142
142 % 10 = 2
So 109681-63-2 is a valid CAS Registry Number.
109681-63-2Relevant academic research and scientific papers
New Syntheses of 6-Deoxy-L-gulose and 6-Deoxy-L-talose
Mori, Masami,Tejima, Setsuzo,Niwa, Toshimitsu
, p. 4037 - 4044 (2007/10/02)
Treatment of methyl 2,3,4-tri-O-benzoyl-6-deoxy-6-iodo-α-D-mannopyranoside (1) or methyl 4-O-acetyl-2,3-di-O-benzoyl-6-deoxy-6-iodo-α-D-allopyranoside (11) with silver fluoride in pyridine gave the corresponding D-lyxo- (2) or D-ribo-hex-5-enoside (12), r
