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1,2-Dithiolo[4,3-b]pyrrole-3-carboxylic acid, 4,5-dihydro-4-methyl-6-nitro-5-oxo-, methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139101-87-4

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139101-87-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139101-87-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,0 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139101-87:
(8*1)+(7*3)+(6*9)+(5*1)+(4*0)+(3*1)+(2*8)+(1*7)=114
114 % 10 = 4
So 139101-87-4 is a valid CAS Registry Number.

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