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2-(2-hydroxy-5-nitro-phenyl)-5-nitro-2,3-dihydro-benzofuran-3-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

105975-22-2

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105975-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 105975-22-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,9,7 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 105975-22:
(8*1)+(7*0)+(6*5)+(5*9)+(4*7)+(3*5)+(2*2)+(1*2)=132
132 % 10 = 2
So 105975-22-2 is a valid CAS Registry Number.
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