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84212-05-5

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84212-05-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84212-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,2,1 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84212-05:
(7*8)+(6*4)+(5*2)+(4*1)+(3*2)+(2*0)+(1*5)=105
105 % 10 = 5
So 84212-05-5 is a valid CAS Registry Number.

84212-05-5Relevant articles and documents

Purinenucleoside derivative modified in 8-position and medical use thereof

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Page/Page column 26, (2010/11/28)

The present invention provides an 8-modified purinenucleoside derivative which is useful for diseases associated with an abnormality of plasma uric acid level. An 8-modified purinenucleoside derivative represented by the following formula (I), a prodrug thereof or a pharmaceutically acceptable salt thereof, or a hydrate or solvate thereof, is useful for the prevention or treatment of gout, hyperuricemia, urinary lithiasis, hyperuricemic nephropathy or the like. In the formula, n is 1 or 2; RA is a hydrogen atom or a hydroxyl group; R1 is a hydrogen atom, a hydroxyl group, a thiol group, an amino group or a chlorine atom; ring J represents an optionally substituted 2-naphthyl group, or a group represented by the following general formula (II) wherein Y represents a single bond or a connecting group; ring Z represents an optionally substituted aryl group or heteroaryl group or the like; and R2 to R4, P1 and Q represents a halogen atom, a cyano group or the like.

Cyclisation of Benzylaminonitriles. Part 5. Alkylthio and Arylthio Activating Groups.

Euerby, Melvin R.,Waigh, Roger D.

, p. 2417 - 2460 (2007/10/02)

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