137196-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137196-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,9 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 137196-49:
(8*1)+(7*3)+(6*7)+(5*1)+(4*9)+(3*6)+(2*4)+(1*9)=147
147 % 10 = 7
So 137196-49-7 is a valid CAS Registry Number.
137196-49-7Relevant articles and documents
Synthesis and pregnancy-inhibiting activity of 7-substituted androst-5-ene derivatives
Grover,Dwivedy,Singh,Ray,Singh,Kamboj
, p. 477 - 480 (2007/10/02)
12 new C-7 aryl- and allyl-substituted androst-5-ene derivatives were synthesized, characterized, and were screened for anti-implantation activity in rats. 10 compounds were constructed by linking the aryl/allyl magnesium bromide with 3-beta, 17-beta-diac
