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1H-Indole-2,3-dione, 6,7-dimethoxy- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

76159-91-6

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76159-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76159-91-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,5 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76159-91:
(7*7)+(6*6)+(5*1)+(4*5)+(3*9)+(2*9)+(1*1)=156
156 % 10 = 6
So 76159-91-6 is a valid CAS Registry Number.

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