136136-44-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136136-44-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,3 and 6 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 136136-44:
(8*1)+(7*3)+(6*6)+(5*1)+(4*3)+(3*6)+(2*4)+(1*4)=112
112 % 10 = 2
So 136136-44-2 is a valid CAS Registry Number.
136136-44-2Relevant articles and documents
SYNTHESIS OF 9H-PYRIMIDOINDOLES FROM 2-AMINO-3-CYANOINDOLES
Portonov, Yu. N.,Bulaga, S. N.,Zabrodnyaya, V. G.,Smirnov, L. D.
, p. 325 - 327 (1991)
The rearrangement of N-substituted N-phenylhydrazides of cyanoacetic acid under the conditions of the Kost reaction gave 2-amino-3-cyanoindoles, starting substances for the synthesis of pyrimidoindoles.
