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1-Phenyl-3-O-,5-bis-(p-nitro-phenyl)-isocarbohydrazid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

19176-15-9

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19176-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19176-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,7 and 6 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 19176-15:
(7*1)+(6*9)+(5*1)+(4*7)+(3*6)+(2*1)+(1*5)=119
119 % 10 = 9
So 19176-15-9 is a valid CAS Registry Number.

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