101703-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101703-72-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,7,0 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 101703-72:
(8*1)+(7*0)+(6*1)+(5*7)+(4*0)+(3*3)+(2*7)+(1*2)=74
74 % 10 = 4
So 101703-72-4 is a valid CAS Registry Number.
101703-72-4Relevant articles and documents
SYNTHESES OF ALL FOUR POSSIBLE DIASTEREOMERS OF THE ACYCLONUCLEOSIDE 9-(1,3,4-TRIHYDROXY-2-BUTOXYMETHYL)GUANINE FROM CARBOHYDRATE PRECURSORS
MacCoss, Malcolm,Chen, Anna,Tolman, Richard L.
, p. 4287 - 4290 (1985)
The syntheses of all four possible diastereomers of 9-(1,3,4-trihydroxy-2-butoxymethyl)guanine, starting from D- and L-xylose and from D- and L-arabinose derivatives are described.