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102220-56-4

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102220-56-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 102220-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,2,2 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 102220-56:
(8*1)+(7*0)+(6*2)+(5*2)+(4*2)+(3*0)+(2*5)+(1*6)=54
54 % 10 = 4
So 102220-56-4 is a valid CAS Registry Number.

102220-56-4Downstream Products

102220-56-4Relevant articles and documents

KINTIC STUDIES ON CYCLIZATION OF 2-(2'-PYRIDYL)-CYCLOHEXANONE OXIME HYDROGENSULFATE TO 2,3-TETRAMETHYLENEPYRAZOLOPYRIDINE

Suwinski, Jerzy,Walczak, Krzysztof

, p. 871 - 878 (2007/10/02)

Kinetic studies on cyclization of 2-(2'-pyridyl)-cyclohexanone oxime hydrogensulfate and its derivatives bearing a substituent on pyridine ring to the corresponding 2,3-tetramethylenepyrazolopyridines were carried out in buffered solutions or in presence of NaHCO3.A two-stage mechanism of the cyclization was proposed.

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