27976-73-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 27976-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,9,7 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27976-73:
(7*2)+(6*7)+(5*9)+(4*7)+(3*6)+(2*7)+(1*3)=164
164 % 10 = 4
So 27976-73-4 is a valid CAS Registry Number.
27976-73-4Relevant articles and documents
Phosphororganische Verbindungen 100. Thiophosphylverbindungen Durch P=O/P=S-Austausch
Horner, L.,Lindel, H.
, p. 259 - 262 (2007/10/02)
Phosphinic-acid-, phosphonic-acid- and phosphoric-acid-derivatives react in high yields with Lawesson's reagent to form the corresponding thiophosphyl-compounds.