851729-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 851729-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,1,7,2 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 851729-18:
(8*8)+(7*5)+(6*1)+(5*7)+(4*2)+(3*9)+(2*1)+(1*8)=185
185 % 10 = 5
So 851729-18-5 is a valid CAS Registry Number.
851729-18-5Relevant articles and documents
Synthesis of 3,5-diphenyl-1H-pyrazoles
Bhat,Puri,Qurishi,Dhar,Qazi
, p. 1135 - 1142 (2005)
An efficient and convenient synthesis of 3,5-diphenyl-1N-pyrazoles from chalcones by the action of hydrazine hydrate on chalcone-epoxide followed by simultaneous dehydration is reported. Copyright Taylor & Francis, Inc.
