8-ethynyl-1,4,7,8,9,10-hexahydro-5,8,10,12-tetrahydroxy-1-methoxy-1,4-ethanonaphthacene-6,11-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 88876-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,8,7 and 6 respectively; the second part has 2 digits, 1 and 3 respectively. Calculate Digit Verification of CAS Registry Number 88876-13: (7*8)+(6*8)+(5*8)+(4*7)+(3*6)+(2*1)+(1*3)=195 195 % 10 = 5 So 88876-13-5 is a valid CAS Registry Number.