871332-20-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 871332-20-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,1,3,3 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 871332-20:
(8*8)+(7*7)+(6*1)+(5*3)+(4*3)+(3*2)+(2*2)+(1*0)=156
156 % 10 = 6
So 871332-20-6 is a valid CAS Registry Number.
871332-20-6Relevant articles and documents
Synthesis of 2,4-diamino-1,3,5-triazine analogues of methotrexate with potential antitumor activity
Saczewski,Bulakowska
, p. 739 - 748 (2007/10/03)
A series of analogues of methotrexate 23-31 in which aminopteridine ring was replaced by 2,4-diamino-1,3,5-triazine moiety were obtained. The syntheses of the analogues were accomplished by alkylation of p-aminobenzoic acids with appropriate 6-bromomethyl