77349-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77349-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,4 and 9 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77349-88:
(7*7)+(6*7)+(5*3)+(4*4)+(3*9)+(2*8)+(1*8)=173
173 % 10 = 3
So 77349-88-3 is a valid CAS Registry Number.
77349-88-3Relevant articles and documents
NEW ACTIVATION OF CARBOXYLIC ACIDS BY REACTION WITH N,N-BIS-(2-OXO-3-OXAZOLIDINYL) PHOSPHORODIAMIDIC CHLORIDE (ClSPO)
Cabre-Castellvi, Juan,Palomo-Coll, Antonio Luis
, p. 4179 - 4182 (2007/10/02)
Pentacoordinated and quinquevalent phosphorus intermediates, have been isolated by reaction between the title reagent and carboxylic acids, prior to conversion into amides.
