138175-58-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138175-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,7 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138175-58:
(8*1)+(7*3)+(6*8)+(5*1)+(4*7)+(3*5)+(2*5)+(1*8)=143
143 % 10 = 3
So 138175-58-3 is a valid CAS Registry Number.
138175-58-3Relevant articles and documents
Single Step Synthesis of 2,4-Dicyanonaphthylamines from Synthetic Equivalents of α-Cyanoalkynes
Reux, Daniel,Pochat, Francis
, p. 1419 - 1420 (1991)
Nitrile thioethers R-CBr=C(SEt)CN 4 react like α-alkynenitriles with ambiphilic derivatives, as shown by a new synthesis of naphthylamines.
