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2,4,6-Trimethyl-benzenesulfonate6-amino-7-methyl-thieno[2,3-c]pyridin-6-ium; is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77055-58-4

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77055-58-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77055-58-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,5 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77055-58:
(7*7)+(6*7)+(5*0)+(4*5)+(3*5)+(2*5)+(1*8)=144
144 % 10 = 4
So 77055-58-4 is a valid CAS Registry Number.

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