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2-Benzothiazol-2-yl-5-methyl-4-[1-(3-nitro-phenyl)-meth-(Z)-ylidene]-2,4-dihydro-pyrazol-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137513-70-3

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137513-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137513-70-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,5,1 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 137513-70:
(8*1)+(7*3)+(6*7)+(5*5)+(4*1)+(3*3)+(2*7)+(1*0)=123
123 % 10 = 3
So 137513-70-3 is a valid CAS Registry Number.

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