1023289-18-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023289-18-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,2,8 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1023289-18:
(9*1)+(8*0)+(7*2)+(6*3)+(5*2)+(4*8)+(3*9)+(2*1)+(1*8)=120
120 % 10 = 0
So 1023289-18-0 is a valid CAS Registry Number.
1023289-18-0Relevant articles and documents
Convenient synthesis of dialkyl 1-azidoalkylphosphonates using tetramethylguanidinium azide as azidation agent
Blaszczyk, Roman,Gajda, Tadeusz
, p. 1110 - 1119 (2008/09/18)
A simple and safe method for the preparation of dialkyl 1-azidoalkylphosphonates from dialkyl 1-(4-nitrobenzenesulfonyloxy) alkylphosphonates (dialkyl 1-(nosyloxy)alkylphosphonates) and tetramethylguanidinium azide (TMGA) has been developed. Copyright Tay
