85785-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 85785-81-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,7,8 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 85785-81:
(7*8)+(6*5)+(5*7)+(4*8)+(3*5)+(2*8)+(1*1)=185
185 % 10 = 5
So 85785-81-5 is a valid CAS Registry Number.
85785-81-5Relevant articles and documents
SHORT-STEP SYNTHESIS OF OPTICALLY AND BIOLOGICALLY ACTIVE EXO-BREVICOMIN
Masaki, Yukio,Nagata, Kinnosuke,Serizawa, Yuzuru,Kaji, Kenji
, p. 5553 - 5554 (1982)
Optically and biologically active (1R,5S,7R)-(+)-exo-brevicomin was synthesized in the six-step sequence starting from diethyl (S,S)-(-)-tartrate.
