83946-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83946-88-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,4 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83946-88:
(7*8)+(6*3)+(5*9)+(4*4)+(3*6)+(2*8)+(1*8)=177
177 % 10 = 7
So 83946-88-7 is a valid CAS Registry Number.
83946-88-7Relevant articles and documents
An Efficient Synthesis of Racemic Necine Bases from a Common Intermediate
Niwa, Haruki,Kuroda, Akio,Sakata, Tomoyo,Yamada, Kiyoyuki
, p. 2541 - 2543 (2007/10/03)
Necine bases of pyrrolizidine alkaloids, turneforcidine, hastanecine, and platynecine are synthesized from ethyl 1-hydroxy-2,3,5,6-tetrahydro-1H-pyrrolizine-7-carboxylate in racemic form.