1H-Indole-1-carboxylic acid, 2,3-dihydro-2-hydroxy-5-methoxy-,
1,1-dimethylethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 138344-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,3,4 and 4 respectively; the second part has 2 digits, 1 and 1 respectively. Calculate Digit Verification of CAS Registry Number 138344-11: (8*1)+(7*3)+(6*8)+(5*3)+(4*4)+(3*4)+(2*1)+(1*1)=123 123 % 10 = 3 So 138344-11-3 is a valid CAS Registry Number.