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89912-58-3

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89912-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89912-58-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,1 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 89912-58:
(7*8)+(6*9)+(5*9)+(4*1)+(3*2)+(2*5)+(1*8)=183
183 % 10 = 3
So 89912-58-3 is a valid CAS Registry Number.

89912-58-3Relevant articles and documents

3-&β-D-ERYTHROFURANOSYL-6,7-DIMETHYL-1-p-TOLYL- AND -1-(p-CHLOROPHENYL-PYRAZOLO(3,4-b)QUINOXALINE C-NUCLEOSIDE ANALOGS

Sallam, Mohammed A. E.,Abdel Megid, Somia M. E.

, p. 85 - 96 (2007/10/02)

The C-nucleoside analogs 3-β-D-erythrofuranosyl-6.7-dimethyl-1-p-tolyl-pyrazolo(3,4-b)quinoxaline (5) and 1-(p-chlorophenyl)-3-β-D-erythrofuranosyl-6,7-dimethylpyrazolo(3,4-b)quinoxaline (7) were prepared by the dehydrativ cyclization of the polyhydroxyal

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