N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine

Also known as: Boc-Cys(Dpm)-OH, BOC-CYS(DPM)-OH, BOC-CYSTEINE(DPM)-OH, BOC-S-DIPHENYLMETHYL-L-CYSTEINE, S-Benzhydryl-N-Boc-L-cysteine, (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-[(diphenylmethyl)sulfanyl]propanoic acid, (2R)-3-benzhydrylsulfanyl-2-[(2-methylpropan-2-yl)oxycarbonylamino]propanoic acid, (Tert-Butoxy)Carbonyl Cys(Dpm)-OH, L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(diphenylmethyl)-

N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine (CAS 21947-97-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H25NO4S and a molecular weight of 387.49300 g/mol. Key properties include a boiling point of 548.9°C at 760 mmHg and a density of 1.199±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 21947-97-7
Jingsj CID: J-1461623-0
Molecular Formula: C₂₁H₂₅NO₄S
Molecular Weight: 387.49300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	548.9°C at 760 mmHg
Density	1.199±0.06 g/cm3
Exact Mass	387.15000
PSA	100.93000
LogP	4.87800
Additional Property	Practically insoluble (0.013 g/L) (25 ºC)

Customs & Trade Information

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%

Frequently Asked Questions

What is the CAS number of N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine?

The CAS number of N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine is 21947-97-7.

What are the molecular formula and molecular weight of N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine?

N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine has molecular formula C21H25NO4S and molecular weight 387.49300 g/mol.

What are the upstream and downstream products of N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine?

For N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine, Upstream Products: N,N'-Bis(tert-butoxycarbonyl)-L-cystine, Bromodiphenylmethane; Downstream Products: N,N'-Bis(tert-butoxycarbonyl)-L-cystine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-cysteine (CAS 21947-97-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1461623-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.