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[6-Amino-5-cyano-4-ethyl-3-methyl-thiopyran-(2Z)-ylidene]-cyano-acetic acid methyl ester is a complex organic compound with the molecular formula C14H16N2O3S. It features a thiopyran ring, which is a sulfur-containing analog of pyran, with a double bond in the 2-position (2Z). The molecule contains an amino group at the 6-position, a cyano group at the 5-position, an ethyl group at the 4-position, and a methyl group at the 3-position. Additionally, it has a cyano-acetic acid group and a methyl ester group. [6-Amino-5-cyano-4-ethyl-3-methyl-thiopyran-(2Z)-ylidene]-cyano-acetic acid methyl ester is characterized by its unique structure and potential applications in various chemical and pharmaceutical processes.

57201-15-7

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57201-15-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57201-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,0 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 57201-15:
(7*5)+(6*7)+(5*2)+(4*0)+(3*1)+(2*1)+(1*5)=97
97 % 10 = 7
So 57201-15-7 is a valid CAS Registry Number.

57201-15-7Upstream product

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