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(Acetyl-hydrazono)-acetic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

37641-22-8

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37641-22-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 37641-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,7,6,4 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 37641-22:
(7*3)+(6*7)+(5*6)+(4*4)+(3*1)+(2*2)+(1*2)=118
118 % 10 = 8
So 37641-22-8 is a valid CAS Registry Number.

37641-22-8Upstream product

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