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2-(2,5-dihydroxy-phenylsulfanyl)-4-methyl-thiazole-5-carboxylic acid methyl ester is a complex organic compound with the molecular formula C11H11O5S2. It is characterized by a thiazole ring, which is a five-membered heterocyclic ring containing sulfur and nitrogen. The compound features a methyl group attached to the thiazole ring and a phenylsulfanyl group, which is a sulfur-containing aromatic ring, connected to the thiazole through a sulfur atom. The phenyl ring itself has two hydroxyl groups at the 2nd and 5th positions, which can participate in hydrogen bonding and other interactions. The carboxylic acid group is esterified with a methyl group, making it a methyl ester. 2-(2,5-dihydroxy-phenylsulfanyl)-4-methyl-thiazole-5-carboxylic acid methyl ester is likely to be found in the field of organic chemistry, potentially as an intermediate in the synthesis of pharmaceuticals or other complex molecules, due to its diverse functional groups and structural features.

91570-15-9

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91570-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91570-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,5,7 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 91570-15:
(7*9)+(6*1)+(5*5)+(4*7)+(3*0)+(2*1)+(1*5)=129
129 % 10 = 9
So 91570-15-9 is a valid CAS Registry Number.

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