142054-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142054-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,0,5 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142054-67:
(8*1)+(7*4)+(6*2)+(5*0)+(4*5)+(3*4)+(2*6)+(1*7)=99
99 % 10 = 9
So 142054-67-9 is a valid CAS Registry Number.
InChI:InChI=1/C10H15N3O2/c1-3-4-7-11-9-6-5-8(12-13-9)10(14)15-2/h5-6H,3-4,7H2,1-2H3,(H,11,13)
142054-67-9Relevant articles and documents
SYNTHESIS OF 6-ALKYLAMINO-3-PYRIDAZINECARBOXYLIC ACID DERIVATIVES FROM METHYL 6-CHLORO-3-PYRIDAZINECARBOXYLATE
Konno, Shoetsu,Sagi, Mataichi,Siga, Futoshi,Yamanaka, Hiroshi
, p. 225 - 228 (2007/10/02)
The synthesis of methyl 6-alkylamino-3-pyridazinecarboxylates (4a-c) was accomplished by the following reaction sequence.On treatment of methyl 6-chloro-3-pyridazinecarboxylate (1) with methanolic ammonia, 6-chloro-3-pyridazinecarboxamide (5) was precipit
