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75542-54-0

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75542-54-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75542-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,4 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75542-54:
(7*7)+(6*5)+(5*5)+(4*4)+(3*2)+(2*5)+(1*4)=140
140 % 10 = 0
So 75542-54-0 is a valid CAS Registry Number.

75542-54-0Downstream Products

75542-54-0Relevant articles and documents

Effect of substituents on the regioselectivity of the reaction of α-tosyloxyketones with thioureas in acidic medium: Access to 2-aminothiazoles and 2-imino-2,3-dihydrothiazoles

Aggarwal, Ranjana,Kumar, Rajiv,Sanz, Dionisia,Claramunt, Rosa M.

, p. 598 - 603 (2014/06/10)

Regioselective condensation of α-tosyloxyacetophenones 1 and N-substituted thioureas 2 in acidic medium to give regioisomers 2-aminothiazoles I and 2-imino-2,3-dihydrothiazoles II is largely influenced by the substituents present on 1 and 2. A mechanism,

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