4-bromo-1,3,5,7,8,8-hexamethyl-2,6-di-p-tolyl-2,4,6,8-tetrahydro-2,6-diaza-4-phospha-s-indacene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 267888-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,8,8 and 8 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 267888-65: (8*2)+(7*6)+(6*7)+(5*8)+(4*8)+(3*8)+(2*6)+(1*5)=213 213 % 10 = 3 So 267888-65-3 is a valid CAS Registry Number.