258883-63-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 258883-63-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,8,8,8 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 258883-63:
(8*2)+(7*5)+(6*8)+(5*8)+(4*8)+(3*3)+(2*6)+(1*3)=195
195 % 10 = 5
So 258883-63-5 is a valid CAS Registry Number.
258883-63-5Relevant articles and documents
A convenient synthesis of a novel nucleoside analogue: 4-(α-Diformyl- methyl)-1-(β-D-ribofuranosyl)-2-pyrimidinone
Gao, Kui,Orgel, Leslie E.
, p. 935 - 940 (2000)
The nucleoside analogue 4-(α-diformyl-methyl)-1-(β-D-ribofuranosyl)-2- pyrimidinone (5) was prepared from the corresponding 4-methyl pyrimidinone nucleoside by means of the Vilsmeier reaction. The unprotected nucleoside can be phosphorylated directly with
