171199-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171199-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,1,9 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171199-91:
(8*1)+(7*7)+(6*1)+(5*1)+(4*9)+(3*9)+(2*9)+(1*1)=150
150 % 10 = 0
So 171199-91-0 is a valid CAS Registry Number.
171199-91-0Relevant articles and documents
One-pot deuteration and reduction of ketones in the synthesis of [16,16,17-2H3]-epitestosterone
Chodounska, Hana,Kasal, Alexander,Saman, David,Ubik, Karel
, p. 1037 - 1046 (2007/10/03)
5α-Androstan-17-one and 6β-methoxy-3α,5-cyclo-5α-androstan-17-one were reduced by sodium in deuterium oxide to [16,16,17-2H3]-17β-alcohols. The 17β-tosyloxy group of [16,16,17-2H 3]-6β-methoxy-3α,5-cyclo-5α-andr
