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120362-28-9

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120362-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120362-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,3,6 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 120362-28:
(8*1)+(7*2)+(6*0)+(5*3)+(4*6)+(3*2)+(2*2)+(1*8)=79
79 % 10 = 9
So 120362-28-9 is a valid CAS Registry Number.

120362-28-9Relevant articles and documents

Synthesis and antiviral activity of the nucleotide analogue (S)-1-[3-hydroxy-2-(phosphonylmethoxy)propyl]cystosine

Bronson,Ghazzouli,Hitchcock,Webb II,Martin

, p. 1457 - 1463 (1989)

The acyclic nucleotide analogue (S)-1-[3-hydroxy-2-(phosphonylmethoxy)propyl]cytosine (2, HPMPC) was prepared on a multigram scale in 18% overall yield starting from (R)-2,3-O-isopropylideneglycerol. The key step in the nine-step synthetic route is coupling of cytosine with the side-chain derivative 8 which bears a protected phosphonylmethyl ether group. In vitro data showed that HPMPC has good activity against herpes simplex virus types 1 and 2, although it was 10-fold less potent that acyclovir [ACV, 9-[(2-hydroxyethoxy)methyl]guanine]. By comparison, HPMPC exhibited greater activity than ACV against a thymidine kinase deficient strain of HSV 1 and was more potent than ganciclovir [DHPG, 9-[(1,3-dihydroxy-2-propoxy)methyl]guanine] against human cytomegalovirus. In vivo, HPMPC showed exceptional potency against HSV 1 systemic infection in mice, having an ED50 of 0.1 mg/kg per day (ip) compared with 50 mg/kg per day for ACV. HPMPc was also more efficacious than ACV in the topical treatment of HSV 1 induced cutaneous lesions in guinea pigs.

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