81755-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81755-81-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,5 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81755-81:
(7*8)+(6*1)+(5*7)+(4*5)+(3*5)+(2*8)+(1*1)=149
149 % 10 = 9
So 81755-81-9 is a valid CAS Registry Number.
81755-81-9Relevant articles and documents
SYNTHESIS OF THROMBOXANE A2 ANALOGS-3. (+)-THIATHROMBOXANE A2
Ohuchida, Shuichi,Hamanaka, Nobuyuki,Hayashi, Masaki
, p. 4269 - 4272 (2007/10/02)
(+)-11a-methano-9,11-thiathromboxane A2 (1) was synthesized from prostaglandin A2 and prostaglandin E2.