178751-78-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178751-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,7,5 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 178751-78:
(8*1)+(7*7)+(6*8)+(5*7)+(4*5)+(3*1)+(2*7)+(1*8)=185
185 % 10 = 5
So 178751-78-5 is a valid CAS Registry Number.
178751-78-5Relevant articles and documents
Iron-Catalyzed Cross-Coupling of 1-Alkynylcyclopropyl Tosylates and Related Substrates
Tindall, Daniel J.,Krause, Helga,Fürstner, Alois
, p. 2398 - 2403 (2016)
1-Alkynylcyclopropyl tosylates react with alkylmagnesium halides in the presence of catalytic ferric acetylacetonate [Fe(acac)3] under net propargylic substitution; allene formation, which is the prevalent reactivity mode of propargylic substra
