High purity 4-Difluoromethoxy-3-Hydroxybenzaldehyde for Roflumilast

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500 Gram	Negotiable

500 Gram

Negotiable

Roflumilast Roflumilast Intermediate Hydroxybenzaldehyde

Appearance:off white powder
Application:Roflumilast Intermediate:4-Difluoromethoxy-3-Hydroxybenzaldehyde CAS:151103-08-1
PackAge:Aluminium Foil Bag
ProductionCapacity:200|Kilogram|Month
Storage:Normal room temperature
Transportation:by Air or Sea

4-Difluoromethoxy-3-Hydroxybenzaldehyde CAS:151103-08-1

Roflumilast Intermediates

CERTIFICATE OF ANALYSIS

PRODUCT NAME	4-DifluoroMethoxy-3-hydroxybenzaldehyde
CAS NUMBER：	151103-08-1	PACKING	barrels
TEST STANDARD	Internal control standards	STORE	Dry、room temperate
PRODUCT DATE	2017/07/23	REPORT DATE	2017/07/23
Re-test Date	2019/07/23

ITEMS SPECIFICATIONS TEST RESULTS CONCLUSION

【Appearance】 OFF White powder OFF White powder Qualified

【M.p】 87~89°C 87.8~88.7°C Qualified

【Purity/HPLC】 ≥99% 99.81% Qualified

【Max Single impurity】 ≤0.5% 0.17% Qualified

【Water content】 ≤0.50% ≤0.30% Qualified

4-Difluoromethoxy-3-Hydroxybenzaldehyde CAS:151103-08-1

ITEMS SPECIFICATIONS TEST RESULTS CONCLUSION

【Appearance】 OFF White powder OFF White powder Qualified

【M.p】 87~89°C 87.8~88.7°C Qualified

【Purity/HPLC】 ≥99% 99.81% Qualified

【Max Single impurity】 ≤0.5% 0.17% Qualified

【Water content】 ≤0.50% ≤0.30% Qualified

Roflumilast Intermediates

Roflumilast[CAS:162401-32-3]

4-DifluoroMethoxy-3-Hydroxybenzaldehyde[CAS:151103-08-1]

4-(Difluoromethoxy)-3-(Cyclopropylmethoxy)benzaldehyde[CAS:151103-09-2]

3-Cyclopropylmethoxy-4-Difluoromethoxy-benzoic acid[CAS:162401-62-9]

Cylopropylmethyl Chloride[CAS:5911-08-0]

Bromomethyl-Cyclopropane[CAS:7051-34-5]

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High purity 4-Diflu...