4-oxo-4-(1,3,4-thiadiazol-2-ylamino)butanoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 26861-97-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,8,6 and 1 respectively; the second part has 2 digits, 9 and 7 respectively. Calculate Digit Verification of CAS Registry Number 26861-97: (7*2)+(6*6)+(5*8)+(4*6)+(3*1)+(2*9)+(1*7)=142 142 % 10 = 2 So 26861-97-2 is a valid CAS Registry Number.