129431-64-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129431-64-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,3 and 1 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 129431-64:
(8*1)+(7*2)+(6*9)+(5*4)+(4*3)+(3*1)+(2*6)+(1*4)=127
127 % 10 = 7
So 129431-64-7 is a valid CAS Registry Number.
129431-64-7Relevant articles and documents
SYNTHESIS OF 4-NITRO-3,3,7-TRIMETHYL-2-(2-HYDROXYSTYRYL)INDOLENINES
Przhiyalgovskaya, N. M.,Manakova, I. V.,Kurkovskaya, L. N.,Suvorov, N. N.
, p. 290 - 292 (1990)
The previously unknown hydroxystyrylindolenines have been synthesized by the direct condensation of 4-nitro-2,3,3,7-tetramethylindolenine with substituted salicylaldehydes.The structure of the prepared compounds has been confirmed by spectroscopic investi
