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Furo[3,2-b]pyridine-4(7H)-carboxylic acid, 7-(dimethoxyphosphinyl)-, 1-methylethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

188939-16-4

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188939-16-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188939-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,9,3 and 9 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 188939-16:
(8*1)+(7*8)+(6*8)+(5*9)+(4*3)+(3*9)+(2*1)+(1*6)=204
204 % 10 = 4
So 188939-16-4 is a valid CAS Registry Number.

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