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2-Thiophenecarboxylic acid, 4,5-dihydro-3-(phenylthio)-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

67525-94-4

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67525-94-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67525-94-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,5,2 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 67525-94:
(7*6)+(6*7)+(5*5)+(4*2)+(3*5)+(2*9)+(1*4)=154
154 % 10 = 4
So 67525-94-4 is a valid CAS Registry Number.

67525-94-4Relevant academic research and scientific papers

Regioselective synthesis of methyl 3-thiothiophene-2-carboxylate derivatives utilizing a dehydration-type ti-dieckmann condensation

Nagase, Ryohei,Gotoh, Hideki,Katayama, Mayumi,Manta, Naoki,Tanabe, Yoo

, p. 697 - 708 (2008/03/13)

Regioselective dehydration-type Ti-Dieckmann condensation of 3-(methoxycarbonylmethylthio)propanethioates successfully afforded methyl thiophene-2-carboxylates and methyl 4,5-dihydrothiophene-2-carboxylates, utilizing TiCl4 - Et3N an

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