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4H-Thieno[2,3-b]thiopyran-2-carboxylic acid, 5,6-dihydro-3,4,4-trimethyl-, 7,7-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

190433-97-7

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190433-97-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 190433-97-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,4,3 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 190433-97:
(8*1)+(7*9)+(6*0)+(5*4)+(4*3)+(3*3)+(2*9)+(1*7)=137
137 % 10 = 7
So 190433-97-7 is a valid CAS Registry Number.

190433-97-7Upstream product

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