132198-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132198-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,1,9 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 132198-21:
(8*1)+(7*3)+(6*2)+(5*1)+(4*9)+(3*8)+(2*2)+(1*1)=111
111 % 10 = 1
So 132198-21-1 is a valid CAS Registry Number.
132198-21-1Relevant articles and documents
Synthesis of pyranoid analogues of the anti-HIV active 3'-deoxy-2',3'-didehydrothymidine (D4T)
Bue Hansen,Pedersen,Vestergaard
, p. 491 - 497 (2007/10/02)
The primary hydroxy group of ethyl 2,3-dideoxy-α-D-erythro-hex-2-enopyranoside (1) was selectively protected and the secondary hydroxy group was deoxygenated via the dithiiocarbonate 3 from which ethyl 6-O-(4-methoxybenzoyl)-2,3,4-trideoxy-α-D-glycero-hex