6-phenyl-(4ac,7ac)-4,4a,7a,8-tetrahydro-4r,8c-episulfano-[1,2,5]thiadiazolo[3,4-f]isoindole-5,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 73774-73-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,7 and 4 respectively; the second part has 2 digits, 7 and 3 respectively. Calculate Digit Verification of CAS Registry Number 73774-73: (7*7)+(6*3)+(5*7)+(4*7)+(3*4)+(2*7)+(1*3)=159 159 % 10 = 9 So 73774-73-9 is a valid CAS Registry Number.