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2,7-dibutyl-5,10-diphenyl-dodecahydro-pyrrolo[3,4-c]pyrrolo[3',4':4,5]pyrazolo[1,2-a]pyrazole is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23958-40-9

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23958-40-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23958-40-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,9,5 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 23958-40:
(7*2)+(6*3)+(5*9)+(4*5)+(3*8)+(2*4)+(1*0)=129
129 % 10 = 9
So 23958-40-9 is a valid CAS Registry Number.

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