20770-14-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20770-14-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,7,7 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20770-14:
(7*2)+(6*0)+(5*7)+(4*7)+(3*0)+(2*1)+(1*4)=83
83 % 10 = 3
So 20770-14-3 is a valid CAS Registry Number.
20770-14-3Relevant academic research and scientific papers
A convenient method for the synthesis of α-functionalized chlorophosphonic esters
Morise,Savignac,Guillemin,Denis
, p. 793 - 798 (2007/10/02)
α-Functionalized chlorophosphonic monoesters were easily prepared by a selective chlorination of the corresponding phosphonic diesters with phosphorous oxychloride.
