1H-Benzocyclohepten-5-ol,2,3,4,4a,5,6,7,9aoctahydro- 1,1,4a,8-tetramethyl-,(4aR,5R,- 9aR)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 19435-77-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,3 and 5 respectively; the second part has 2 digits, 7 and 7 respectively. Calculate Digit Verification of CAS Registry Number 19435-77: (7*1)+(6*9)+(5*4)+(4*3)+(3*5)+(2*7)+(1*7)=129 129 % 10 = 9 So 19435-77-9 is a valid CAS Registry Number.