4-Oxazolecarboxylic acid, 5-(2-carboxy-4-nitrophenyl)-, 4-methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 67643-19-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,4 and 3 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 67643-19: (7*6)+(6*7)+(5*6)+(4*4)+(3*3)+(2*1)+(1*9)=150 150 % 10 = 0 So 67643-19-0 is a valid CAS Registry Number.
67643-19-0Upstream product
67643-19-0Downstream Products
67643-19-0Relevant articles and documents
Post a RFQ
1
What can I do for you? Get Best Price
Get Best Price for67643-19-04-Oxazolecarboxylic acid, 5-(2-carboxy-4-nitrophenyl)-, 4-methyl ester