4,7-dichloro(1,2,3)triazino[4'',5'':4',5']thieno[3',2':4,5]thieno[3,2-d][1,2,3]triazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 634906-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,4,9,0 and 6 respectively; the second part has 2 digits, 9 and 3 respectively. Calculate Digit Verification of CAS Registry Number 634906-93: (8*6)+(7*3)+(6*4)+(5*9)+(4*0)+(3*6)+(2*9)+(1*3)=177 177 % 10 = 7 So 634906-93-7 is a valid CAS Registry Number.