2625-25-4 Usage
General Description
1,3,6,7-tetramethylpteridine-2,4(1H,3H)-dione, also known as tetrahydrobiopterin (BH4), is a chemical compound that plays a critical role in several important biological processes. It serves as a co-factor for various enzymes involved in neurotransmitter synthesis, including serotonin, dopamine, and norepinephrine. Additionally, BH4 is essential for the production of nitric oxide, which plays a crucial role in maintaining cardiovascular health. Deficiencies in BH4 have been linked to a range of neurological and cardiovascular disorders, including phenylketonuria and hypertension. As a result, BH4 has attracted significant interest from researchers and pharmaceutical companies as a potential therapeutic target for treating these conditions.
Check Digit Verification of cas no
The CAS Registry Mumber 2625-25-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,6,2 and 5 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2625-25:
(6*2)+(5*6)+(4*2)+(3*5)+(2*2)+(1*5)=74
74 % 10 = 4
So 2625-25-4 is a valid CAS Registry Number.
2625-25-4Relevant articles and documents
Reaction of Pyrazine-2,3-dicarbonitrile and 1,3-Dimethyllumazine with the Phthalimidoalkyl Radical
Tada, Masaru,Totoki, Shintaro
, p. 1295 - 1299 (2007/10/02)
A phthalimidoalkyl radical reacts with pyrazine-2,3-dicarbonitrile (1) to give mono- and diphthalimidoalkylpyrazine-2,3-dicarbonitriles 4 and 5.Similar reaction with 1,3-dimethyllumazine (2) gave only monophthalimidoalkyl-1,3-dimethyllumazines 6 or 7.Hydrazine degradation of 7-(3'-phthalimido)propyl-1,3-dimethyllumazine (6c) gave a 7-(3'-amino)propyl derivative 8 but 7-phthalimidomethyl-1,3-dimethyllumazine (6a) gave only 1,3-dimethyllumazine (2).Thus the phthalimidomethyl group can be used as a protection group of the pteridine nucleus.
