dihydro-4-phenyl-2H-1,2-thiazin-3(4H)-one 1,1-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 133778-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,7,7 and 8 respectively; the second part has 2 digits, 0 and 9 respectively. Calculate Digit Verification of CAS Registry Number 133778-09: (8*1)+(7*3)+(6*3)+(5*7)+(4*7)+(3*8)+(2*0)+(1*9)=143 143 % 10 = 3 So 133778-09-3 is a valid CAS Registry Number.