2,3,5,7,8,9-Hexaaza-1-phosphabicyclo[3.3.1]non-3-ene,
2,6,6,8,9-pentamethyl-4-phenyl-, 1-sulfide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 65197-21-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,9 and 7 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 65197-21: (7*6)+(6*5)+(5*1)+(4*9)+(3*7)+(2*2)+(1*1)=139 139 % 10 = 9 So 65197-21-9 is a valid CAS Registry Number.