136489-37-7 Usage
General Description
Valacyclovir Hcl is a medication that is commonly used to treat herpes infections, including genital herpes, cold sores, and shingles. It is an antiviral drug that works by stopping the growth of the herpes virus. Valacyclovir Hcl is a prodrug of acyclovir, which means it is converted into acyclovir in the body. This conversion allows for higher levels of acyclovir to be achieved, leading to more effective treatment of herpes infections. It is usually taken orally and is well absorbed from the gastrointestinal tract, making it an effective and convenient treatment option for those with herpes infections. Side effects may include nausea, vomiting, and headache, but overall it is considered a safe and effective medication for herpes treatment.
Check Digit Verification of cas no
The CAS Registry Mumber 136489-37-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,4,8 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 136489-37:
(8*1)+(7*3)+(6*6)+(5*4)+(4*8)+(3*9)+(2*3)+(1*7)=157
157 % 10 = 7
So 136489-37-7 is a valid CAS Registry Number.
InChI:InChI=1/C13H20N6O4/c1-7(2)8(14)12(21)23-4-3-22-6-19-5-16-9-10(19)17-13(15)18-11(9)20/h5,7-8H,3-4,6,14H2,1-2H3,(H3,15,17,18,20)/t8-/m0/s1
136489-37-7Relevant articles and documents
Preparation method of valaciclovir hydrochloride
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Paragraph 0027-0029; 0032; 0033, (2019/05/08)
The invention relates to a preparation method of valaciclovir hydrochloride. The preparation method comprises following steps: (1) CBZ-L-valine-acyclovir synthesis: adding N,N-dimethyl formamide, N-carbobenzyloxy-L-valine, 4-dimethylamino pyridine, and ac
