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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: L-Cystine,N,N'-diformyl-
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29581-98-4

29581-98-4 structure

29581-98-4 structure

Name: L-Cystine,N,N'-diformyl-
Chemical Name: N,N'-Diformyl-L-cystine
CAS Number: 29581-98-4
Molecular Formula: C₈H₁₂N₂O₆S₂
Molecular Weight: 296.32100
Create Date: 2017-12-23 04:09:18
Modify Date: 2025-08-26 16:08:07

Name	N,N'-Diformyl-L-cystine
Synonyms	D-4-trifluoromethyl-mandelic acid N,N'-Diformyl-cystin p-trifluoromethylmandelic acid N,N'-Diformyl-L-cystin

Density	1.553g/cm3
Molecular Formula	C₈H₁₂N₂O₆S₂
Molecular Weight	296.32100
Exact Mass	296.01400
PSA	183.40000
LogP	0.81980
Index of Refraction	1.605

CHEMICAL IDENTIFICATION

RTECS NUMBER :: HA2900000

CHEMICAL NAME :: L-Cystine, N,N'-diformyl-

CAS REGISTRY NUMBER :: 29581-98-4

BEILSTEIN REFERENCE NO. :: 1729729

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H12-N2-O6-S2

MOLECULAR WEIGHT :: 296.34

WISWESSER LINE NOTATION :: VHMYVQ1SS1YVQMVH

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 178 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00259

HS Code	2930909090

64-18-6 structure

64-18-6

56-89-3 structure

56-89-3

~%

29581-98-4 structure

29581-98-4

Literature: Fruton; Clarke Journal of Biological Chemistry, 1934 , vol. 106, p. 672

29581-98-4 structure

29581-98-4

7732-18-5 structure

7732-18-5

~%

29581-98-4 structure

29581-98-4

29581-98-4 structure

29581-98-4

Literature: duVigneaud; Dorfmann; Loring Journal of Biological Chemistry, 1932 , vol. 98, p. 581

Precursor 4
64-18-6 56-89-3 29581-98-4 7732-18-5
DownStream 5
921-01-7 7783-06-4 127-17-3 19538-78-4
29581-98-4

HS Code	2930909090
Summary	2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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