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ethyl 4-(dimethylamino)-1-methyl-5-phenyl-1H-pyrazole-3-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91857-69-1

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91857-69-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91857-69-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,5 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 91857-69:
(7*9)+(6*1)+(5*8)+(4*5)+(3*7)+(2*6)+(1*9)=171
171 % 10 = 1
So 91857-69-1 is a valid CAS Registry Number.

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