119820-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 119820-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,8,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 119820-56:
(8*1)+(7*1)+(6*9)+(5*8)+(4*2)+(3*0)+(2*5)+(1*6)=133
133 % 10 = 3
So 119820-56-3 is a valid CAS Registry Number.
InChI:InChI=1/C26H26N4O6/c1-4-13-30(15-17-5-10-21-20(14-17)25(34)29(3)16(2)27-21)19-8-6-18(7-9-19)24(33)28-22(26(35)36)11-12-23(31)32/h1,5-10,14,22H,11-13,15H2,2-3H3,(H,28,33)(H,31,32)(H,35,36)/t22-/m0/s1
119820-56-3Relevant articles and documents
Folate analogues. 32. Synthesis and biological evaluation of 2-desamino-2-methyl-N10-propargyl-5,8-dideazafolic acid and related compounds
Patil,Jones,Nair,Galivan,Maley,Kisliuk,Gaumont,Duch,Ferone
, p. 1284 - 1289 (2007/10/02)
The chemical synthesis of three close analogues (2-4) of N10-propargyl-5,8-dideazafolate (PDDF) is described. The quinazoline ring of 2 and 4 was constructed from the pivotal intermediate 9 in a novel and unambiguous manner during the final ste