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7171-34-8

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7171-34-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7171-34-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,7 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 7171-34:
(6*7)+(5*1)+(4*7)+(3*1)+(2*3)+(1*4)=88
88 % 10 = 8
So 7171-34-8 is a valid CAS Registry Number.

7171-34-8Downstream Products

7171-34-8Relevant articles and documents

Ring Transformation of 3-Hydroxy-1,2,5- and -1,2,4-thiadiazoles and -isothiazoles into Isothiazole , Thiazole and Thiophene Derivatives

Mataka, Shuntaro,Takahashi, Kazufumi,Tashiro, Masashi

, p. 1496 - 1502 (2007/10/02)

Ring transformation of 3-hydroxy-1,2,5-thiadiazole (1), 3-hydroxy-1,2,4-thiadiazole (14), and 3-hydroxyisothiazole (18) by the reaction with acetic anhydride in the presence of DBU afforded isothiazoles 2-5 and 13, thiazoles 15 and 16 and thiophenes 21-25, respectively.The reaction of 1 with propionic anhydride gave isothiazole 13.The formation pathway of the products is mentioned.

Chemistry of micrococcin P. 8. A method for the degradation of thiazole-4-carboxylic acids.

Hall,Walker

, p. 1357 - 1360 (2007/10/04)

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