1029-95-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1029-95-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,0,2 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1029-95:
(6*1)+(5*0)+(4*2)+(3*9)+(2*9)+(1*5)=64
64 % 10 = 4
So 1029-95-4 is a valid CAS Registry Number.
1029-95-4Relevant articles and documents
Unusual thionation via fragmentation
Ho, Tse-Lok,Chein, Rong-Jie
, p. 1223 - 1225 (2005)
Reaction of 4,4-dichloro-2,6-diphenyl-4,4-dihydropyrane (2) with thiols in the presence of triethylamine gives interesting results. The exclusive formation of 2,6-diphenylpyran-4-thione (3) in the reaction with PhSH through cleavage of CAT-S bo