A-Denopterin

Title: A-Denopterin
CAS Registry Number: 25663-23-4
CAS Name: N-[4-[[1-(2,4-Diamino-6-pteridinyl)ethyl]methylamino]benzoyl]-L-glutamic acid
Additional Names: 4-amino-N10,9-dimethylpteroylglutamic acid
Molecular Formula: C21H24N8O5
Molecular Weight: 468.47
Percent Composition: C 53.84%, H 5.16%, N 23.92%, O 17.08%
Literature References: Prepn: Hultquist et al., J. Am. Chem. Soc. 71, 619 (1949); Hultquist, Smith, GB 667098 (1952 to Am. Cyanamid).
Derivative Type: Dihydrate
Properties: Yellow-orange microcrystals. uv max (0.1N NaOH): 255, 306, 369 nm (e 25,000, 25,000, 9000); (0.1N HCl): 244, 316 nm (e 22,000, 14,000).
Absorption maximum: uv max (0.1N NaOH): 255, 306, 369 nm (e 25,000, 25,000, 9000); (0.1N HCl): 244, 316 nm (e 22,000, 14,000)
Status: This monograph has been retired and is no longer subject to revision or update.
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