2-nitrophenyl diphenylcarbamate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 354552-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,4,5,5 and 2 respectively; the second part has 2 digits, 0 and 3 respectively. Calculate Digit Verification of CAS Registry Number 354552-03: (8*3)+(7*5)+(6*4)+(5*5)+(4*5)+(3*2)+(2*0)+(1*3)=137 137 % 10 = 7 So 354552-03-7 is a valid CAS Registry Number.