81490-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81490-80-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 81490-80:
(7*8)+(6*1)+(5*4)+(4*9)+(3*0)+(2*8)+(1*0)=134
134 % 10 = 4
So 81490-80-4 is a valid CAS Registry Number.
81490-80-4Relevant articles and documents
Synthesis of Some Mannich Bases of Formyl and Other Substituted Phenols as Potential Spermicides
Sharma, S. C.,Prasad, Rajendra,Goel, A. K.,Khanna, N. M.
, p. 1010 - 1013 (2007/10/02)
Several mannich bases of formyl and other substituted phenols have been synthesized.Some of these exhibit spermicidal activity.
