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5-acetyl-1,3-dihydro-6-hydroxy-2H-indol-2-one, 5-oxime acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

166756-71-4

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166756-71-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 166756-71-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,6,7,5 and 6 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 166756-71:
(8*1)+(7*6)+(6*6)+(5*7)+(4*5)+(3*6)+(2*7)+(1*1)=174
174 % 10 = 4
So 166756-71-4 is a valid CAS Registry Number.

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