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138883-24-6

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138883-24-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138883-24-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,8 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 138883-24:
(8*1)+(7*3)+(6*8)+(5*8)+(4*8)+(3*3)+(2*2)+(1*4)=166
166 % 10 = 6
So 138883-24-6 is a valid CAS Registry Number.

138883-24-6Relevant articles and documents

Reaction of aminothiazole-oximetosylates with thiols

Rezessy,Toldy,Horvath,Sohar

, p. 10045 - 10052 (2007/10/02)

The reaction of ethyl 2-(2-aminothiazol-4-yl)-2-tosyloxyiminoacetate and its tritylamino analogue with thiols gave ethyl 2-(5-R-thio-2-amino- or tritylamino-thiazol-4-yl)-2-oxoacetate derivatives. Structures were elucidated by ir, 1H-, 13C-nmr and mass spectroscopy. A reaction mechanism is suggested.

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