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2-phenyl-5-((4S,5'R)-2,2,2',2'-tetramethyl-(4rH)-tetrahydro-[4,4']bi[1,3]dioxolyl-5c-yl)-2,4-dihydro-pyrazole-3,4-dione 4-phenylhydrazone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

35939-81-2

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35939-81-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35939-81-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,9,3 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 35939-81:
(7*3)+(6*5)+(5*9)+(4*3)+(3*9)+(2*8)+(1*1)=152
152 % 10 = 2
So 35939-81-2 is a valid CAS Registry Number.

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