139004-95-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139004-95-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,0 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 139004-95:
(8*1)+(7*3)+(6*9)+(5*0)+(4*0)+(3*4)+(2*9)+(1*5)=118
118 % 10 = 8
So 139004-95-8 is a valid CAS Registry Number.
139004-95-8Relevant articles and documents
Synthesis of (D)- And (L)-forms of differentially protected 2-piperidinemethanamine
Perumattam, John,Shearer, Barry G.,Confer, William L.,Mathew, Rose M.
, p. 7183 - 7186 (2007/10/02)
(D)- and (L)-isomers of pipecolic acid were converted into (D)- and (L)-2-piperidinemethanamine using an efficient sequence. The amino groups were selectively protected for further functionalization.