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1,3-dimethyl-3,7-dihydro-purine-2,6-dione, also known as caffeine, is a naturally occurring alkaloid found in various plants, including coffee beans, tea leaves, and cacao pods. It is an organic compound with a molecular formula of C8H10N4O2 and a molecular weight of 194.19 g/mol. Caffeine is a central nervous system stimulant that temporarily wards off drowsiness and restores alertness by blocking adenosine receptors in the brain. It is widely consumed for its stimulating effects and is also used as a medication to treat headaches, migraines, and other conditions. In addition to its stimulant properties, caffeine has various applications in the food and beverage industry, as well as in pharmaceuticals and cosmetics.

152-90-9

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152-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152-90-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,5 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 152-90:
(5*1)+(4*5)+(3*2)+(2*9)+(1*0)=49
49 % 10 = 9
So 152-90-9 is a valid CAS Registry Number.

152-90-9Downstream Products

152-90-9Relevant academic research and scientific papers

Study on organomercury(II)-purine complexes

Sodhi, G S,Kaur, J

, p. 972 - 974 (2007/10/02)

A number of organomercury(II)-purine complexes of the type. p-MeC6H4Hg(L1) (I), p-MeC6H4Hg(L2) (II), p-MeC6H4Hg(L3) (III), p-MeC6H4HgCl(L4) (IV) and p-MeC6H4HgCl(L5) (V) 1 = theophylline, L2 = 6-thioguanine, L3 = 6-mercaptopurine, L4 = theobromine, L5 = caffeine> have been synthesised and characterised on the basis of elemental analyses, conductance measurements and spectral studies (IR, UV, 1H and 13C NMR).

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