#From CAS recommendations
Methane-d	InChI=1S/CH4/h1H4/i1D
Methane-d4	InChI=1S/CH4/h1H4/i1D4
2,2,2-trifluoro-Ethane-d	InChI=1S/C2H3F3/c1-2(3,4)5/h1H3/i1D
2-chloro-6-(methyl-d3)-Benzene-d	InChI=1S/C7H7Cl/c1-6-3-2-4-7(8)5-6/h2-5H,1H3/i1D3,5D
methyl-Phosphine-d2	InChI=1S/CH5P/c1-2/h2H2,1H3/i2D2
Urea-N,N,N',N'-d4	InChI=1S/CH4N2O/c2-1(3)4/h(H4,2,3,4)/i/hD4
Hydroxyl-d-amine-d2	InChI=1S/H3NO/c1-2/h2H,1H2/i1D2,2D
N-(methyl-d3)-Methan-d3-amine	InChI=1S/C2H7N/c1-3-2/h3H,1-2H3/i1D3,2D3
Silanamine-d2	InChI=1S/H5NSi/c1-2/h1H2,2H3/i1D2
Hydroxyl-d-amine-d	InChI=1S/H3NO/c1-2/h2H,1H2/i1D,2D
Ethan-2-d-amine	InChI=1S/C2H7N/c1-2-3/h2-3H2,1H3/i1D
Methanol-d	InChI=1S/CH4O/c1-2/h2H,1H3/i2D
Methan-d-ol 1-methanesulfonate	InChI=1S/C2H6O3S/c1-5-6(2,3)4/h1-2H3/i1D
#Benzene-4-d-methane-alpha,alpha-d2-thiol	InChI=1S/C7H8S/c8-6-7-4-2-1-3-5-7/h1-5,8H,6H2/i1D,6D2
#Alanine-N,N,1-d3	InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1/i/hD3
1H-Imidazole-1-d-2-carboxylic acid-d	InChI=1S/C4H4N2O2/c7-4(8)3-5-1-2-6-3/h1-2H,(H,5,6)(H,7,8)/i/hD2
#1,2-Ethane-1,1,2,2-d4-diol-1,2-d2	InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2/i1D2,2D2,3D,4D
Acetaldehyde-1,2-d2	InChI=1S/C2H4O/c1-2-3/h2H,1H3/i1D,2D
Propanamide-N,3-d2	InChI=1S/C3H7NO/c1-2-3(4)5/h2H2,1H3,(H2,4,5)/i1D/hD
1-(ethyl-2,2,2-d3)-4-(methyl-d3)-Benzene	InChI=1S/C9H12/c1-3-9-6-4-8(2)5-7-9/h4-7H,3H2,1-2H3/i1D3,2D3
N-(2-piperidinyl-1-d)-Carbamic acid	InChI=1S/C6H12N2O2/c9-6(10)8-5-3-1-2-4-7-5/h5,7-8H,1-4H2,(H,9,10)/i/hD
2-Propanone-1,1,1,3,3,3-d6	InChI=1S/C3H6O/c1-3(2)4/h1-2H3/i1D3,2D3
#From IUPAC
(14C)methane	InChI=1S/CH4/h1H4/i1+2
trichloro(12C)methane	InChI=1S/CHCl3/c2-1(3)4/h1H/i1+0
(12C)chloroform	InChI=1S/CHCl3/c2-1(3)4/h1H/i1+0
(²H1)methane	InChI=1S/CH4/h1H4/i1D
dichloro(²H2)methane	InChI=1S/CH2Cl2/c2-1-3/h1H2/i1D2
(2H3)methoxybenzene	InChI=1S/C7H8O/c1-8-7-5-3-2-4-6-7/h2-6H,1H3/i1D3
(α,α,α-2H3)anisole	InChI=1S/C7H8O/c1-8-7-5-3-2-4-6-7/h2-6H,1H3/i1D3
1-phenyl(1,2-13C2)ethanone	InChI=1S/C8H8O/c1-7(9)8-5-3-2-4-6-8/h2-6H,1H3/i1+1,7+1
(1,2-13C2)acetophenone	InChI=1S/C8H8O/c1-7(9)8-5-3-2-4-6-8/h2-6H,1H3/i1+1,7+1
(1,2-13C)acetophenone	InChI=1S/C8H8O/c1-7(9)8-5-3-2-4-6-8/h2-6H,1H3/i1+1,7+1
1,2-di[(13C)methyl]benzene	InChI=1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3/i1+1,2+1
(α,α′-13C2)-1,2-xylene	InChI=1S/C8H10/c1-7-5-3-4-6-8(7)2/h3-6H,1-2H3/i1+1,2+1
2-(13C)methyl-(1-13C)benzene	InChI=1S/C7H8/c1-7-5-3-2-4-6-7/h2-6H,1H3/i1+1,5+1
(2-2H1)ethan-1-ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i1D
(2-13C)ethan-1-ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i1+1
1-[amino(14C)methyl]cyclopentan-1-ol	InChI=1S/C6H13NO/c7-5-6(8)3-1-2-4-6/h8H,1-5,7H2/i5+2
1-(aminomethyl)cyclopentan-1-(18O)ol	InChI=1S/C6H13NO/c7-5-6(8)3-1-2-4-6/h8H,1-5,7H2/i8+2
N-[7-(131I)iodo-9H-fluoren-2-yl]acetamide	InChI=1S/C15H12INO/c1-9(18)17-13-3-5-15-11(8-13)6-10-7-12(16)2-4-14(10)15/h2-5,7-8H,6H2,1H3,(H,17,18)/i16+4
sodium 4-ethoxy-4-oxo(2,3-14C2)butanoate	InChI=1S/C6H10O4.Na/c1-2-10-6(9)4-3-5(7)8;/h2-4H2,1H3,(H,7,8);/q;+1/p-1/i3+2,4+2;
sodium ethyl (2,3-14C2)butanedioate	InChI=1S/C6H10O4.Na/c1-2-10-6(9)4-3-5(7)8;/h2-4H2,1H3,(H,7,8);/q;+1/p-1/i3+2,4+2;
sodium ethyl (2,3-14C2)succinate	InChI=1S/C6H10O4.Na/c1-2-10-6(9)4-3-5(7)8;/h2-4H2,1H3,(H,7,8);/q;+1/p-1/i3+2,4+2;
4-[(3-14C)thiolan-2-yl]pyridine	InChI=1S/C9H11NS/c1-2-9(11-7-1)8-3-5-10-6-4-8/h3-6,9H,1-2,7H2/i2+2
4-[tetrahydro(3-14C)thiophen-2-yl]pyridine	InChI=1S/C9H11NS/c1-2-9(11-7-1)8-3-5-10-6-4-8/h3-6,9H,1-2,7H2/i2+2
2-(35Cl)chloro-3-[(²H3)methyl](1-²H1)pentane	InChI=1S/C6H13Cl/c1-4-5(2)6(3)7/h5-6H,4H2,1-3H3/i2D3,3D,7+0
2-(13C)methyl-3-methylpyridine	InChI=1S/C7H9N/c1-6-4-3-5-8-7(6)2/h3-5H,1-2H3/i2+1
2-(2,2-2H2)ethyl-3-ethylhexan-1-ol	InChI=1S/C10H22O/c1-4-7-9(5-2)10(6-3)8-11/h9-11H,4-8H2,1-3H3/i3D2
#cyclohexane-1,1-di[(14C)-carboxylic acid]	InChI=1S/C8H12O4/c9-6(10)8(7(11)12)4-2-1-3-5-8/h1-5H2,(H,9,10)(H,11,12)/i6+2,7+2
#1-carboxycyclohexane-1-(13C,2H)carboxylic acid	InChI=1S/C8H12O4/c9-6(10)8(7(11)12)4-2-1-3-5-8/h1-5H2,(H,9,10)(H,11,12)/i6+1/hD
#1-(2H)carboxycyclohexane-1-(13C)carboxylic acid	InChI=1S/C8H12O4/c9-6(10)8(7(11)12)4-2-1-3-5-8/h1-5H2,(H,9,10)(H,11,12)/i6+1/hD
1-(13C)carboxycyclohexane-1-(14C)carboxylic acid	InChI=1S/C8H12O4/c9-6(10)8(7(11)12)4-2-1-3-5-8/h1-5H2,(H,9,10)(H,11,12)/i6+1,7+2
(1-15N)-1H-indole	InChI=1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H/i9+1
2,3-dihydro(1-15N)-1H-indole	InChI=1S/C8H9N/c1-2-4-8-7(3-1)5-6-9-8/h1-4,9H,5-6H2/i9+1
2,3-dihydro(2,3-2H2,1-15N)-1H-indole	InChI=1S/C8H9N/c1-2-4-8-7(3-1)5-6-9-8/h1-4,9H,5-6H2/i5D,6D,9+1
#2,3-di[(2H)hydro]-(2,3-2H2,15N)-1H-indole
#6-methyl-2,3-di[(2H2)dihydro](2,3-2H1)napthalen-1-ol
(2-²H1)acetic acid	InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/i1D
#acetic (²H)acid	InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/i1D
(O-²H)acetic acid	InChI=1S/C2H4O2/c1-2(3)4/h1H3,(H,3,4)/i/hD
#(O-2H,18O)acetic acid
#(18O-2H)acetic acid 
#(1-14C)pentan(³H)oic acid	InChI=1S/C5H10O2/c1-2-3-4-5(6)7/h2-4H2,1H3,(H,6,7)/i5+2/hT
sodium (14C)formate	InChI=1S/CH2O2.Na/c2-1-3;/h1H,(H,2,3);/q;+1/p-1/i1+2;
#cyclohexane(²H)carboxylic acid	InChI=1S/C7H12O2/c8-7(9)6-4-2-1-3-5-6/h6H,1-5H2,(H,8,9)/i/hD
4-[(2-14C)ethyl]benzoic acid	InChI=1S/C9H10O2/c1-2-7-3-5-8(6-4-7)9(10)11/h3-6H,2H2,1H3,(H,10,11)/i1+2
(1-14C)ethyl propanoate	InChI=1S/C5H10O2/c1-3-5(6)7-4-2/h3-4H2,1-2H3/i4+2
ethyl (2-14C)propanoate	InChI=1S/C5H10O2/c1-3-5(6)7-4-2/h3-4H2,1-2H3/i3+2
(N-²H)acetamide	InChI=1S/C2H5NO/c1-2(3)4/h1H3,(H2,3,4)/i/hD
#acet(²H)amide	InChI=1S/C2H5NO/c1-2(3)4/h1H3,(H2,3,4)/i/hD
(N,N-2H2)aniline	InChI=1S/C6H7N/c7-6-4-2-1-3-5-6/h1-5H,7H2/i/hD2
(N,N-2H2)benzenamine	InChI=1S/C6H7N/c7-6-4-2-1-3-5-6/h1-5H,7H2/i/hD2
#methan(²H,18O)ol	InChI=1S/CH4O/c1-2/h2H,1H3/i2+2D
(2-²H1,1-³H1)ethan-1-ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i1D,2T
(1R)-(1-²H1)ethan-1-ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i2D/t2-/m1/s1
(1E)-(1-²H1)prop-1-ene	InChI=1S/C3H6/c1-3-2/h3H,1H2,2H3/i1D/b3-1+
(24R)-5alpha-(24-2H1)cholestane	InChI=1S/C27H48/c1-19(2)9-8-10-20(3)23-14-15-24-22-13-12-21-11-6-7-17-26(21,4)25(22)16-18-27(23,24)5/h19-25H,6-18H2,1-5H3/t20-,21-,22+,23-,24+,25+,26+,27-/m1/s1/i9D/t9-,20-,21-,22+,23-,24+,25+,26+,27-
5alpha-(17-²H)pregnane	InChI=1S/C21H36/c1-4-15-9-11-18-17-10-8-16-7-5-6-13-20(16,2)19(17)12-14-21(15,18)3/h15-19H,4-14H2,1-3H3/t15-,16+,17-,18-,19-,20-,21+/m0/s1/i15D
#L-(4-13C,35S)methionine
2-(18F) fluoro-2-deoxy-β-D-glucopyranose	InChI=1S/C6H11FO5/c7-3-5(10)4(9)2(1-8)12-6(3)11/h2-6,8-11H,1H2/t2-,3-,4-,5-,6-/m1/s1/i7-1
(2S)-(2-²H)butan-2-ol	InChI=1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m0/s1/i4D
(2E)-1-chloro(2-²H)but-2-ene	InChI=1S/C4H7Cl/c1-2-3-4-5/h2-3H,4H2,1H3/b3-2+/i3D
(2R,3R)-3-chloro(2-²H1)butan-2-ol	InChI=1S/C4H9ClO/c1-3(5)4(2)6/h3-4,6H,1-2H3/t3-,4-/m1/s1/i4D
1,1,1-trifluoro(2-²H1)ethane	InChI=1S/C2H3F3/c1-2(3,4)5/h1H3/i1D
1-chloro-3-fluoro(2-²H)benzene	InChI=1S/C6H4ClF/c7-5-2-1-3-6(8)4-5/h1-4H/i4D
2-methoxy(3,4,5,6-³H4)phenol	InChI=1S/C7H8O2/c1-9-7-5-3-2-4-6(7)8/h2-5,8H,1H3/i2T,3T,4T,5T
(2-14C)butane	InChI=1S/C4H10/c1-3-4-2/h3-4H2,1-2H3/i3+2
(3-14C,2,2-²H2)butane	InChI=1S/C4H10/c1-3-4-2/h3-4H2,1-2H3/i3D2,4+2
(2-14C,3-²H1)butane	InChI=1S/C4H10/c1-3-4-2/h3-4H2,1-2H3/i3D,4+2
(3-³H)phenol	InChI=1S/C6H6O/c7-6-4-2-1-3-5-6/h1-5,7H/i2T
(2R)-(1-²H1)propan-2-ol	InChI=1S/C3H8O/c1-3(2)4/h3-4H,1-2H3/i1D/t3-/m0/s1
(2R)-1-(131I)iodo-3-iodopropan-2-ol	InChI=1S/C3H6I2O/c4-1-3(6)2-5/h3,6H,1-2H2/i4+4/t3-/m0/s1
(2S,4R)-(4-²H1,2-³H1)pentane	InChI=1S/C5H12/c1-3-5-4-2/h3-5H2,1-2H3/i3D,4T/t3-,4+/m1/s1
(²H3)acetonitrile	InChI=1S/C2H3N/c1-2-3/h1H3/i1D3
#ethan(²H)ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i3D
(2-13C)ethan-1-ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i1+1
{[(²H1)methoxy(²H2)methyl]sulfanyl}methaneperoxol	InChI=1S/C3H8O3S/c1-5-2-7-3-6-4/h4H,2-3H2,1H3/i1D,2D2
(2,3-2H2,15N)pyridine	InChI=1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/i2D,4D,6+1
(2H6)benzene	InChI=1S/C6H6/c1-2-4-6-5-3-1/h1-6H/i1D,2D,3D,4D,5D,6D
2-(79Br)bromo-(1-13C)benzene	InChI=1S/C6H5Br/c7-6-4-2-1-3-5-6/h1-5H/i4+1,7-1
#(1-²H1)ethan-1-(2H)ol	InChI=1S/C2H6O/c1-2-3/h3H,2H2,1H3/i2D,3D
(1,1,1,3,3-²H5)pentan-2-one	InChI=1S/C5H10O/c1-3-4-5(2)6/h3-4H2,1-2H3/i2D3,4D2
(2R)-2(O-2H)hydroxy-3-hydroxy(1-2H)propanal	InChI=1S/C3H6O3/c4-1-3(6)2-5/h1,3,5-6H,2H2/t3-/m0/s1/i1D,6D
#D-(2-O,1-²H2)glyceraldehyde	InChI=1S/C3H6O3/c4-1-3(6)2-5/h1,3,5-6H,2H2/t3-/m0/s1/i1D,6D
#D-(O-²H)glycer(2H)aldehyde	InChI=1S/C3H6O3/c4-1-3(6)2-5/h1,3,5-6H,2H2/t3-/m0/s1/i1D,6D
#DL-[methyl-(14C,2H3)]methionine
#L-(carbamimidoyl-14C,N′-15N)arginine
#L-(α-2H)-phenylalanine	InChI=1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1/i8D
1-(naphthalen-2-yl)-2-phenyl(1-15N)diazene	InChI=1S/C16H12N2/c1-2-8-15(9-3-1)17-18-16-11-10-13-6-4-5-7-14(13)12-16/h1-12H/i18+1
1-propylidene(1-15N)diazane	InChI=1S/C3H8N2/c1-2-3-5-4/h3H,2,4H2,1H3/i5+1
3-[ethyl(2-34S)trisulfan-1-yl]propanoic acid	InChI=1S/C5H10O2S3/c1-2-8-10-9-4-3-5(6)7/h2-4H2,1H3,(H,6,7)/i10+2
1-(1-chloronaphthalen-2-yl)-2-phenyl(1-15N)diazene 2-oxide	InChI=1S/C16H11ClN2O/c17-16-14-9-5-4-6-12(14)10-11-15(16)18-19(20)13-7-2-1-3-8-13/h1-11H/i18+1
#Misc
3-methyl-4-(propyl-2,3-13C)octane	InChI=1S/C12H26/c1-5-8-10-12(9-6-2)11(4)7-3/h11-12H,5-10H2,1-4H3/i2+1,6+1
