87429-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87429-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,2 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87429-77:
(7*8)+(6*7)+(5*4)+(4*2)+(3*9)+(2*7)+(1*7)=174
174 % 10 = 4
So 87429-77-4 is a valid CAS Registry Number.
87429-77-4Relevant articles and documents
SYNTHESIS OF 1-AZIDOCYCLOPROPANECARBOXYLATES FROM 2-AZIDO-2-ALKENOATES
Hiyama, Tamejiro,Kai, Mariko
, p. 2103 - 2104 (1982)
Addition of diazomethane to 2-azido-2-alkenoates followed by pyrolysis of the resulting pyrazoline derivatives affords the title compounds.