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(3-methyl-5-oxo-1-phenyl-1,5-dihydro-pyrazol-4-ylideneamino)-guanidine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

27161-77-9

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27161-77-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27161-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,1,6 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27161-77:
(7*2)+(6*7)+(5*1)+(4*6)+(3*1)+(2*7)+(1*7)=109
109 % 10 = 9
So 27161-77-9 is a valid CAS Registry Number.

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