118515-48-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118515-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,5,1 and 5 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 118515-48:
(8*1)+(7*1)+(6*8)+(5*5)+(4*1)+(3*5)+(2*4)+(1*8)=123
123 % 10 = 3
So 118515-48-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H15N5O5/c1-21-11-7-6(13-4-16-11)10(15-3-14-7)17-12-9(20)8(19)5(2-18)22-12/h3-5,8-9,12,18-20H,2H2,1H3,(H,14,15,17)
118515-48-3Relevant articles and documents
Substituted pyrimido[5,4-d]pyrimidine nucleosides
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, (2008/06/13)
α and β-ribonucleosides of substituted pyrimido[5,4-d]pyrimidines are used in treating malignant tumors in vivo. A novel synthesis for preparing these compounds and other related compounds is further disclosed.