163959-36-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163959-36-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,9,5 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 163959-36:
(8*1)+(7*6)+(6*3)+(5*9)+(4*5)+(3*9)+(2*3)+(1*6)=172
172 % 10 = 2
So 163959-36-2 is a valid CAS Registry Number.
163959-36-2Relevant articles and documents
Synthesis of isoetoposide and isoteniposide
Anand, S. M.,Jain, S. M.
, p. 391 - 393 (2007/10/03)
Condensation of glucosides of podophyllotoxin 4 and 4'-demethylpodophyllotoxin 5 with diethyl acetal in dry nitromethane and thiophene-2-carboxaldehyde yield the corresponding acetals namely, isoetoposide methyl ether 6, isoetoposide 7 and isoteniposide 8.
