Carbamic acid, (4-chloro-2,3-butadienyl)-, ethyl ester (9CI) is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 107427-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,4,2 and 7 respectively; the second part has 2 digits, 2 and 8 respectively. Calculate Digit Verification of CAS Registry Number 107427-28: (8*1)+(7*0)+(6*7)+(5*4)+(4*2)+(3*7)+(2*2)+(1*8)=111 111 % 10 = 1 So 107427-28-1 is a valid CAS Registry Number.