133149-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133149-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,4 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133149-23:
(8*1)+(7*3)+(6*3)+(5*1)+(4*4)+(3*9)+(2*2)+(1*3)=102
102 % 10 = 2
So 133149-23-2 is a valid CAS Registry Number.
133149-23-2Relevant articles and documents
General synthesis of carbanucleosides via regiospecific epoxide opening by the aglycone
Baumgartner,Marschner,Pucher,Griengl
, p. 611 - 614 (2007/10/02)
By reaction of 1,2-anhydro-5-O-acetyl-3-O-benzyl-α-D-carbaxylofuranose 8 with the aglycone in alkaline medium followed by deprotection carbanucleosides 10 were obtained.