2-Thiophenesulfonyl isocyanate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 64902-33-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,9,0 and 2 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 64902-33: (7*6)+(6*4)+(5*9)+(4*0)+(3*2)+(2*3)+(1*3)=126 126 % 10 = 6 So 64902-33-6 is a valid CAS Registry Number.