220198-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220198-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,1,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 220198-21:
(8*2)+(7*2)+(6*0)+(5*1)+(4*9)+(3*8)+(2*2)+(1*1)=100
100 % 10 = 0
So 220198-21-0 is a valid CAS Registry Number.
220198-21-0Relevant articles and documents
Method of conditioning azo pigments containing carboxylic ester groups
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Page/Page column 3, (2009/08/16)
The invention provides a method of conditioning azo pigments containing carboxylic ester groups, using glycol monoalkyl ethers or mixtures of glycols and glycol dialkyl ethers
