91109-41-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91109-41-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,0 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 91109-41:
(7*9)+(6*1)+(5*1)+(4*0)+(3*9)+(2*4)+(1*1)=110
110 % 10 = 0
So 91109-41-0 is a valid CAS Registry Number.
91109-41-0Relevant articles and documents
Synthesis of L-Daunosamine
Gurjar, M. K.,Yadav, J. S.,Rama Rao, A. V.
, p. 1139 - 1140 (2007/10/02)
A convenient and inexpensive preparation of methyl 4,6-O-benzylidene-2-deoxy-α-D-erythrohexopyranosid-3-ulose (2), an important intermediate for the synthesis of L-daunosamine (1) is described.