142544-59-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142544-59-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,4 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 142544-59:
(8*1)+(7*4)+(6*2)+(5*5)+(4*4)+(3*4)+(2*5)+(1*9)=120
120 % 10 = 0
So 142544-59-0 is a valid CAS Registry Number.
142544-59-0Relevant articles and documents
A convenient method for the synthesis of 2',3'-didehydro-2',3'-dideoxy nucleosides
Dorland,Serafinowski
, p. 477 - 481 (1992)
9-(2,3-Dideoxy-β-D-glyceropent-2-enofuranosyl)adenine (2',3'-didehydro-2',3'-dideoxyadenosine, 9a), 9-(2,3-dideoxy-β-D-glyceropent-2-enofuranosyl)hypoxanthine (2',3'-didehydro-2',3'-dideoxyinosine, 9b) and 4-amino-7-(2,3-dideoxy-β-D-glyceropent-2-enofuran