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164666-87-9

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164666-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 164666-87-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,4,6,6 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 164666-87:
(8*1)+(7*6)+(6*4)+(5*6)+(4*6)+(3*6)+(2*8)+(1*7)=169
169 % 10 = 9
So 164666-87-9 is a valid CAS Registry Number.

164666-87-9Downstream Products

164666-87-9Relevant articles and documents

Pyrido[3,2-e][1,4]diazepines - Synthesis and anti-HIV-1-activity tests

Gorlitzer,Wilpert,Rubsamen-Waigmann,Suhartono,Wang,Immelmann

, p. 247 - 255 (1995)

Starting from the commercially available 6-methyl-2-pyridylamine (1) the pyrido[3,2-e][1,4]diazepine 14a was synthesized in 12 steps with 7% total yield. 14a, the N-methyl derivative 14b, the thiolactam 15a, the amidine 16, and the 1,2,4-triazole 17 were tested for anti-HIV-1-activity. None of the compounds tested possesses antiviral activity comparable to that of zidovudine (3'-azido-3'-desoxythymidine = AZT).

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