129958-37-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129958-37-8 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, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 129958-37:
(8*1)+(7*2)+(6*9)+(5*9)+(4*5)+(3*8)+(2*3)+(1*7)=178
178 % 10 = 8
So 129958-37-8 is a valid CAS Registry Number.
129958-37-8Relevant 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.