217644-10-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217644-10-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,6,4 and 4 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 217644-10:
(8*2)+(7*1)+(6*7)+(5*6)+(4*4)+(3*4)+(2*1)+(1*0)=125
125 % 10 = 5
So 217644-10-5 is a valid CAS Registry Number.
217644-10-5Relevant articles and documents
Practical synthesis of 2,6-dideoxy-D-lyxo-hexose ('2-deoxy-d-fucose') from D-galactose
Shafer, Cynthia M.,Molinski, Tadeusz F.
, p. 223 - 228 (1998)
2,6-Dideoxy-D-lyxo-hexose was prepared efficiently from D-galactose in eight steps (25% overall yield). The synthesis is amenable to multigram scale-up. Copyright (C) 1998 Elsevier Science Ltd.
