129958-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129958-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,9,5 and 8 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 129958-25:
(8*1)+(7*2)+(6*9)+(5*9)+(4*5)+(3*8)+(2*2)+(1*5)=174
174 % 10 = 4
So 129958-25-4 is a valid CAS Registry Number.
129958-25-4Relevant articles and documents
REACTION OF ORGANIC AZIDES WITH UNSATURATED COMPOUNDS XII. N-ARYLSULFONYLAMIDINES
Semenov, V. P.,Ogloblin, K. A.
, p. 716 - 719 (2007/10/02)
The reaction of ammonia, diethylamine, and piperidine with N-arylsulfonylcarboximidic esters or directly with the reaction mixtures obtained from arenesulfonyl azides and vinyl ethers gave the corresponding N-arylsulfonylamidines.