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O,N-Bis-(p-nitrophenylazo-phenyl)-isoharnstoff is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

23772-67-0

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23772-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23772-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,7,7 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 23772-67:
(7*2)+(6*3)+(5*7)+(4*7)+(3*2)+(2*6)+(1*7)=120
120 % 10 = 0
So 23772-67-0 is a valid CAS Registry Number.

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