7,7-Dicyano-5,8-bis-dimethylamino-1,2,3,4,5,6,7,8-octahydro-1,4-methano-naphthalene-6-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 123881-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,8,8 and 1 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 123881-40: (8*1)+(7*2)+(6*3)+(5*8)+(4*8)+(3*1)+(2*4)+(1*0)=123 123 % 10 = 3 So 123881-40-3 is a valid CAS Registry Number.