171115-79-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171115-79-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,1 and 5 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 171115-79:
(8*1)+(7*7)+(6*1)+(5*1)+(4*1)+(3*5)+(2*7)+(1*9)=110
110 % 10 = 0
So 171115-79-0 is a valid CAS Registry Number.
171115-79-0Relevant articles and documents
SYNTHESIS OF trans β-LACTAMS OF ESTRANE SERIES
Siddiqui, Abdul U.,Satyanarayana, Yelluru,Siddiqui, Abdul H.
, p. 1186 - 1190 (2007/10/02)
17,17-Ethylenedioxy-1,3,5-(10)-estratrien-3β-ol (I) was converted into ethyl ester II by reaction with ethyl chloroacetate in the presence of potassium.The ethyl ester II on reaction with hydrazine gave hydrazide III, which on condensation with aromatic a
